113319172 has 24 divisors (see below), whose sum is σ = 201519360. Its totient is φ = 55749600.

The previous prime is 113319169. The next prime is 113319181. The reversal of 113319172 is 271913311.

It is a self number, because there is not a number n which added to its sum of digits gives 113319172.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71533 + ... + 73099.

It is an arithmetic number, because the mean of its divisors is an integer number (8396640).

Almost surely, 2^113319172 is an apocalyptic number.

It is an amenable number.

113319172 is a deficient number, since it is larger than the sum of its proper divisors (88200188).

113319172 is a wasteful number, since it uses less digits than its factorization.

113319172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851 (or 1849 counting only the distinct ones).

The product of its digits is 1134, while the sum is 28.

The square root of 113319172 is about 10645.1478148497. The cubic root of 113319172 is about 483.9135662880.

It can be divided in two parts, 11331 and 9172, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 113319172 in words is "one hundred thirteen million, three hundred nineteen thousand, one hundred seventy-two".