113131031311112 has 64 divisors (see below), whose sum is σ = 228726864072000. Its totient is φ = 52295578684416.

The previous prime is 113131031311049. The next prime is 113131031311219. The reversal of 113131031311112 is 211113130131311.

It is a happy number.

113131031311112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44811413 + ... + 47268644.

It is an arithmetic number, because the mean of its divisors is an integer number (3573857251125).

Almost surely, 2^{113131031311112} is an apocalyptic number.

It is an amenable number.

113131031311112 is an abundant number, since it is smaller than the sum of its proper divisors (115595832760888).

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

113131031311112 is a wasteful number, since it uses less digits than its factorization.

113131031311112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92080278 (or 92080274 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 23.

Adding to 113131031311112 its reverse (211113130131311), we get a palindrome (324244161442423).

The spelling of 113131031311112 in words is "one hundred thirteen trillion, one hundred thirty-one billion, thirty-one million, three hundred eleven thousand, one hundred twelve".