115055031 has 48 divisors (see below), whose sum is σ = 201118464. Its totient is φ = 57088512.

The previous prime is 115055027. The next prime is 115055041. The reversal of 115055031 is 130550511.

It is not a de Polignac number, because 115055031 - 2² = 115055027 is a prime.

It is a super-2 number, since 2×115055031² = 26475320316821922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 115054989 and 115055007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115055041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 59380 + ... + 61286.

It is an arithmetic number, because the mean of its divisors is an integer number (4189968).

Almost surely, 2^115055031 is an apocalyptic number.

115055031 is a deficient number, since it is larger than the sum of its proper divisors (86063433).

115055031 is a wasteful number, since it uses less digits than its factorization.

115055031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960 (or 1947 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 115055031 is about 10726.3708214848. The cubic root of 115055031 is about 486.3719696320.

The spelling of 115055031 in words is "one hundred fifteen million, fifty-five thousand, thirty-one".