113110031321 has 4 divisors (see below), whose sum is σ = 129268607232. Its totient is φ = 96951455412.

The previous prime is 113110031269. The next prime is 113110031351. The reversal of 113110031321 is 123130011311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 113110031321 - 2²² = 113105837017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113110031321.

It is not an unprimeable number, because it can be changed into a prime (113110031351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8079287945 + ... + 8079287958.

It is an arithmetic number, because the mean of its divisors is an integer number (32317151808).

Almost surely, 2^113110031321 is an apocalyptic number.

It is an amenable number.

113110031321 is a deficient number, since it is larger than the sum of its proper divisors (16158575911).

113110031321 is an equidigital number, since it uses as much as digits as its factorization.

113110031321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16158575910.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 113110031321 its reverse (123130011311), we get a palindrome (236240042632).

The spelling of 113110031321 in words is "one hundred thirteen billion, one hundred ten million, thirty-one thousand, three hundred twenty-one".