113531311024 has 40 divisors (see below), whose sum is σ = 224718710832. Its totient is φ = 55545135360.

The previous prime is 113531310973. The next prime is 113531311027. The reversal of 113531311024 is 420113135311.

It is a self number, because there is not a number n which added to its sum of digits gives 113531311024.

It is not an unprimeable number, because it can be changed into a prime (113531311027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136839 + ... + 495769.

Almost surely, 2^113531311024 is an apocalyptic number.

It is an amenable number.

113531311024 is a deficient number, since it is larger than the sum of its proper divisors (111187399808).

113531311024 is a wasteful number, since it uses less digits than its factorization.

113531311024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359365 (or 359359 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

Adding to 113531311024 its reverse (420113135311), we get a palindrome (533644446335).

The spelling of 113531311024 in words is "one hundred thirteen billion, five hundred thirty-one million, three hundred eleven thousand, twenty-four".