115255331 has 2 divisors, whose sum is σ = 115255332. Its totient is φ = 115255330.

The previous prime is 115255319. The next prime is 115255373. The reversal of 115255331 is 133552511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115255331 is a prime.

It is a super-2 number, since 2×115255331² = 26567582647839122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115255331.

It is not a weakly prime, because it can be changed into another prime (115255381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57627665 + 57627666.

It is an arithmetic number, because the mean of its divisors is an integer number (57627666).

Almost surely, 2^115255331 is an apocalyptic number.

115255331 is a deficient number, since it is larger than the sum of its proper divisors (1).

115255331 is an equidigital number, since it uses as much as digits as its factorization.

115255331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250, while the sum is 26.

The square root of 115255331 is about 10735.7035633441. The cubic root of 115255331 is about 486.6540486397.

The spelling of 115255331 in words is "one hundred fifteen million, two hundred fifty-five thousand, three hundred thirty-one".