115031916 has 18 divisors (see below), whose sum is σ = 290775212. Its totient is φ = 38343960.

The previous prime is 115031899. The next prime is 115031921. The reversal of 115031916 is 619130511.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 115031916.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1597630 + ... + 1597701.

Almost surely, 2^115031916 is an apocalyptic number.

It is an amenable number.

115031916 is an abundant number, since it is smaller than the sum of its proper divisors (175743296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115031916 is a wasteful number, since it uses less digits than its factorization.

115031916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3195341 (or 3195336 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 115031916 is about 10725.2932827033. The cubic root of 115031916 is about 486.3393961149.

The spelling of 115031916 in words is "one hundred fifteen million, thirty-one thousand, nine hundred sixteen".