113131012 has 12 divisors (see below), whose sum is σ = 199291456. Its totient is φ = 56190600.

The previous prime is 113130961. The next prime is 113131037. The reversal of 113131012 is 210131311.

It is a super-2 number, since 2×113131012² = 25597251752288288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 113130983 and 113131001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93048 + ... + 94255.

Almost surely, 2^113131012 is an apocalyptic number.

It is an amenable number.

113131012 is a deficient number, since it is larger than the sum of its proper divisors (86160444).

113131012 is a wasteful number, since it uses less digits than its factorization.

113131012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187458 (or 187456 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 113131012 is about 10636.3063137538. The cubic root of 113131012 is about 483.6455809807.

Adding to 113131012 its reverse (210131311), we get a palindrome (323262323).

The spelling of 113131012 in words is "one hundred thirteen million, one hundred thirty-one thousand, twelve".