113122311013231 has 32 divisors (see below), whose sum is σ = 125950888627200. Its totient is φ = 100943031530880.

The previous prime is 113122311013199. The next prime is 113122311013253. The reversal of 113122311013231 is 132310113221311.

It is a cyclic number.

It is not a de Polignac number, because 113122311013231 - 2⁵ = 113122311013199 is a prime.

It is a super-2 number, since 2×113122311013231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113122311013196 and 113122311013205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113122311013331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190547800 + ... + 191140546.

It is an arithmetic number, because the mean of its divisors is an integer number (3935965269600).

Almost surely, 2^{113122311013231} is an apocalyptic number.

113122311013231 is a deficient number, since it is larger than the sum of its proper divisors (12828577613969).

113122311013231 is a wasteful number, since it uses less digits than its factorization.

113122311013231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596959.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 113122311013231 its reverse (132310113221311), we get a palindrome (245432424234542).

The spelling of 113122311013231 in words is "one hundred thirteen trillion, one hundred twenty-two billion, three hundred eleven million, thirteen thousand, two hundred thirty-one".