113203312 has 20 divisors (see below), whose sum is σ = 222928936. Its totient is φ = 55673280.

The previous prime is 113203303. The next prime is 113203319. The reversal of 113203312 is 213302311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113203319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57018 + ... + 58969.

Almost surely, 2^113203312 is an apocalyptic number.

It is an amenable number.

113203312 is a deficient number, since it is larger than the sum of its proper divisors (109725624).

113203312 is a wasteful number, since it uses less digits than its factorization.

113203312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116056 (or 116050 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113203312 is about 10639.7045071750. The cubic root of 113203312 is about 483.7485887782.

Adding to 113203312 its reverse (213302311), we get a palindrome (326505623).

The spelling of 113203312 in words is "one hundred thirteen million, two hundred three thousand, three hundred twelve".