113321312 has 24 divisors (see below), whose sum is σ = 240263856. Its totient is φ = 52301952.

The previous prime is 113321309. The next prime is 113321353. The reversal of 113321312 is 213123311.

It is a congruent number.

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, 135788 + ... + 136619.

It is an arithmetic number, because the mean of its divisors is an integer number (10010994).

Almost surely, 2^113321312 is an apocalyptic number.

It is an amenable number.

113321312 is an abundant number, since it is smaller than the sum of its proper divisors (126942544).

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

113321312 is a wasteful number, since it uses less digits than its factorization.

113321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272430 (or 272422 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 113321312 is about 10645.2483296539. The cubic root of 113321312 is about 483.9166124583.

Adding to 113321312 its reverse (213123311), we get a palindrome (326444623).

The spelling of 113321312 in words is "one hundred thirteen million, three hundred twenty-one thousand, three hundred twelve".