The Number

331

Three Hundred and Thirty-One

Nearby Numbers

Positive, nonzero integers within three units

328
Three Hundred and Twenty-Eight
329
Three Hundred and Twenty-Nine
330
Three Hundred and Thirty
332
Three Hundred and Thirty-Two
333
Three Hundred and Thirty-Three
334
Three Hundred and Thirty-Four

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

3.31e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0030211480362537764

The reciprocal of 331.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 331 is not a palindrome.

A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Three hundred and thirty-one is the 67th prime number.   See primes in Base 10 Decimal

Not A Composite

Composites have more than just these two factors.

Three Hundred and Thirty-One is not a composite number because it has exactly two factors: One and Three Hundred and Thirty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number three hundred and thirty-one has the following 1 prime factor:

331
Three Hundred and Thirty-One

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

3311 = 331

Base Conversions

The number three hundred and thirty-one in 35 different bases