113818312 has 16 divisors (see below), whose sum is σ = 213952860. Its totient is φ = 56764224.

The previous prime is 113818307. The next prime is 113818319. The reversal of 113818312 is 213818311.

It can be written as a sum of positive squares in 2 ways, for example, as 113763556 + 54756 = 10666^2 + 234^2 .

It is not an unprimeable number, because it can be changed into a prime (113818319) by changing a digit.

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, 14743 + ... + 21094.

Almost surely, 2^113818312 is an apocalyptic number.

It is an amenable number.

113818312 is a deficient number, since it is larger than the sum of its proper divisors (100134548).

113818312 is a wasteful number, since it uses less digits than its factorization.

113818312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36240 (or 36236 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

The square root of 113818312 is about 10668.5665391373. The cubic root of 113818312 is about 484.6230280038.

Subtracting 113818312 from its reverse (213818311), we obtain a palindrome (99999999).

The spelling of 113818312 in words is "one hundred thirteen million, eight hundred eighteen thousand, three hundred twelve".