113112113231 has 16 divisors (see below), whose sum is σ = 123037240704. Its totient is φ = 103366036224.

The previous prime is 113112113209. The next prime is 113112113237. The reversal of 113112113231 is 132311211311.

It is a cyclic number.

It is not a de Polignac number, because 113112113231 - 2⁶ = 113112113167 is a prime.

It is a super-2 number, since 2×113112113231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112113237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 567101 + ... + 740153.

It is an arithmetic number, because the mean of its divisors is an integer number (7689827544).

Almost surely, 2^113112113231 is an apocalyptic number.

113112113231 is a deficient number, since it is larger than the sum of its proper divisors (9925127473).

113112113231 is a wasteful number, since it uses less digits than its factorization.

113112113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173570.

The product of its digits is 108, while the sum is 20.

Adding to 113112113231 its reverse (132311211311), we get a palindrome (245423324542).

The spelling of 113112113231 in words is "one hundred thirteen billion, one hundred twelve million, one hundred thirteen thousand, two hundred thirty-one".