113512312 has 8 divisors (see below), whose sum is σ = 212835600. Its totient is φ = 56756152.

The previous prime is 113512279. The next prime is 113512319. The reversal of 113512312 is 213215311.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 113512312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113512319) 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 as a sum of consecutive naturals, namely, 7094512 + ... + 7094527.

It is an arithmetic number, because the mean of its divisors is an integer number (26604450).

Almost surely, 2^113512312 is an apocalyptic number.

It is an amenable number.

113512312 is a deficient number, since it is larger than the sum of its proper divisors (99323288).

113512312 is a wasteful number, since it uses less digits than its factorization.

113512312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14189045 (or 14189041 counting only the distinct ones).

The product of its digits is 180, while the sum is 19.

The square root of 113512312 is about 10654.2156914528. The cubic root of 113512312 is about 484.1883359661.

Adding to 113512312 its reverse (213215311), we get a palindrome (326727623).

The spelling of 113512312 in words is "one hundred thirteen million, five hundred twelve thousand, three hundred twelve".