320677312 has 28 divisors (see below), whose sum is σ = 637280920. Its totient is φ = 160102656.

The previous prime is 320677271. The next prime is 320677327. The reversal of 320677312 is 213776023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45139 + ... + 51757.

Almost surely, 2^320677312 is an apocalyptic number.

320677312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320677312 is a deficient number, since it is larger than the sum of its proper divisors (316603608).

320677312 is an equidigital number, since it uses as much as digits as its factorization.

320677312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388 (or 7378 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 320677312 is about 17907.4652589360. The cubic root of 320677312 is about 684.4726166074.

The spelling of 320677312 in words is "three hundred twenty million, six hundred seventy-seven thousand, three hundred twelve".