113513131224 has 48 divisors (see below), whose sum is σ = 307450260000. Its totient is φ = 37835388864.

The previous prime is 113513131211. The next prime is 113513131271. The reversal of 113513131224 is 422131315311.

113513131224 is a `hidden beast` number, since 1 + 13 + 513 + 13 + 122 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1455937 + ... + 1531919.

It is an arithmetic number, because the mean of its divisors is an integer number (6405213750).

Almost surely, 2^113513131224 is an apocalyptic number.

It is an amenable number.

113513131224 is an abundant number, since it is smaller than the sum of its proper divisors (193937128776).

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

113513131224 is a wasteful number, since it uses less digits than its factorization.

113513131224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96744 (or 96737 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

Adding to 113513131224 its reverse (422131315311), we get a palindrome (535644446535).

The spelling of 113513131224 in words is "one hundred thirteen billion, five hundred thirteen million, one hundred thirty-one thousand, two hundred twenty-four".