113131015224 has 32 divisors (see below), whose sum is σ = 283082634000. Its totient is φ = 37676325632.

The previous prime is 113131015187. The next prime is 113131015229. The reversal of 113131015224 is 422510131311.

It is a super-2 number, since 2×113131015224² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 113131015194 and 113131015203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131015229) 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, 2098629 + ... + 2151860.

Almost surely, 2^113131015224 is an apocalyptic number.

It is an amenable number.

113131015224 is an abundant number, since it is smaller than the sum of its proper divisors (169951618776).

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

113131015224 is a wasteful number, since it uses less digits than its factorization.

113131015224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251607 (or 4251603 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 113131015224 its reverse (422510131311), we get a palindrome (535641146535).

The spelling of 113131015224 in words is "one hundred thirteen billion, one hundred thirty-one million, fifteen thousand, two hundred twenty-four".