320057312 has 12 divisors (see below), whose sum is σ = 630112896. Its totient is φ = 160028640.

The previous prime is 320057303. The next prime is 320057333. The reversal of 320057312 is 213750023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000864 + ... + 5000927.

It is an arithmetic number, because the mean of its divisors is an integer number (52509408).

Almost surely, 2^320057312 is an apocalyptic number.

320057312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

320057312 is a deficient number, since it is larger than the sum of its proper divisors (310055584).

320057312 is a wasteful number, since it uses less digits than its factorization.

320057312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10001801 (or 10001793 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 320057312 is about 17890.1456673779. The cubic root of 320057312 is about 684.0312104587.

The spelling of 320057312 in words is "three hundred twenty million, fifty-seven thousand, three hundred twelve".