313132312 has 32 divisors (see below), whose sum is σ = 619959600. Its totient is φ = 147861504.

The previous prime is 313132307. The next prime is 313132319. The reversal of 313132312 is 213231313.

313132312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 313132312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313132319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48168 + ... + 54280.

Almost surely, 2^313132312 is an apocalyptic number.

It is an amenable number.

313132312 is a deficient number, since it is larger than the sum of its proper divisors (306827288).

313132312 is a wasteful number, since it uses less digits than its factorization.

313132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6475 (or 6471 counting only the distinct ones).

The product of its digits is 324, while the sum is 19.

The square root of 313132312 is about 17695.5449760667. The cubic root of 313132312 is about 679.0617914836.

Adding to 313132312 its reverse (213231313), we get a palindrome (526363625).

Subtracting from 313132312 its reverse (213231313), we obtain a palindrome (99900999).

The spelling of 313132312 in words is "three hundred thirteen million, one hundred thirty-two thousand, three hundred twelve".