113257035731 has 8 divisors (see below), whose sum is σ = 129471260160. Its totient is φ = 97051473288.

The previous prime is 113257035719. The next prime is 113257035757. The reversal of 113257035731 is 137530752311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-113257035731 is a prime.

It is a super-2 number, since 2×113257035731² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113257535731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2137451 + ... + 2189796.

It is an arithmetic number, because the mean of its divisors is an integer number (16183907520).

Almost surely, 2^113257035731 is an apocalyptic number.

113257035731 is a deficient number, since it is larger than the sum of its proper divisors (16214224429).

113257035731 is an equidigital number, since it uses as much as digits as its factorization.

113257035731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330993.

The product of its (nonzero) digits is 66150, while the sum is 38.

The spelling of 113257035731 in words is "one hundred thirteen billion, two hundred fifty-seven million, thirty-five thousand, seven hundred thirty-one".