113311312 has 20 divisors (see below), whose sum is σ = 219708160. Its totient is φ = 56612448.

The previous prime is 113311309. The next prime is 113311339. The reversal of 113311312 is 213113311.

It is a super-2 number, since 2×113311312² = 25678906854322688, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34243 + ... + 37405.

It is an arithmetic number, because the mean of its divisors is an integer number (10985408).

Almost surely, 2^113311312 is an apocalyptic number.

It is an amenable number.

113311312 is a deficient number, since it is larger than the sum of its proper divisors (106396848).

113311312 is a wasteful number, since it uses less digits than its factorization.

113311312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410 (or 5404 counting only the distinct ones).

The product of its digits is 54, while the sum is 16.

The square root of 113311312 is about 10644.7786261622. The cubic root of 113311312 is about 483.9023776882.

Adding to 113311312 its reverse (213113311), we get a palindrome (326424623).

The spelling of 113311312 in words is "one hundred thirteen million, three hundred eleven thousand, three hundred twelve".