312997368 has 32 divisors (see below), whose sum is σ = 792403200. Its totient is φ = 103011168.

The previous prime is 312997367. The next prime is 312997397. The reversal of 312997368 is 863799213.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312997367) 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, 80646 + ... + 84437.

It is an arithmetic number, because the mean of its divisors is an integer number (24762600).

Almost surely, 2^312997368 is an apocalyptic number.

It is an amenable number.

312997368 is an abundant number, since it is smaller than the sum of its proper divisors (479405832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312997368 is a wasteful number, since it uses less digits than its factorization.

312997368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165171 (or 165167 counting only the distinct ones).

The product of its digits is 489888, while the sum is 48.

The square root of 312997368 is about 17691.7316280798. The cubic root of 312997368 is about 678.9642305086.

The spelling of 312997368 in words is "three hundred twelve million, nine hundred ninety-seven thousand, three hundred sixty-eight".