113231013112 has 16 divisors (see below), whose sum is σ = 242637885360. Its totient is φ = 48527577024.

The previous prime is 113231013089. The next prime is 113231013113. The reversal of 113231013112 is 211310132311.

It is a self number, because there is not a number n which added to its sum of digits gives 113231013112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113231013113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010991133 + ... + 1010991244.

It is an arithmetic number, because the mean of its divisors is an integer number (15164867835).

Almost surely, 2^113231013112 is an apocalyptic number.

It is an amenable number.

113231013112 is an abundant number, since it is smaller than the sum of its proper divisors (129406872248).

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

113231013112 is a wasteful number, since it uses less digits than its factorization.

113231013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021982390 (or 2021982386 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113231013112 its reverse (211310132311), we get a palindrome (324541145423).

The spelling of 113231013112 in words is "one hundred thirteen billion, two hundred thirty-one million, thirteen thousand, one hundred twelve".