113031855 has 80 divisors (see below), whose sum is σ = 219600480. Its totient is φ = 55427328.

The previous prime is 113031839. The next prime is 113031889. The reversal of 113031855 is 558130311.

It is not a de Polignac number, because 113031855 - 2⁴ = 113031839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 284517 + ... + 284913.

It is an arithmetic number, because the mean of its divisors is an integer number (2745006).

Almost surely, 2^113031855 is an apocalyptic number.

113031855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

113031855 is a deficient number, since it is larger than the sum of its proper divisors (106568625).

113031855 is a wasteful number, since it uses less digits than its factorization.

113031855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 113031855 is about 10631.6440403166. The cubic root of 113031855 is about 483.5042378839.

The spelling of 113031855 in words is "one hundred thirteen million, thirty-one thousand, eight hundred fifty-five".