312358216 has 64 divisors (see below), whose sum is σ = 627419520. Its totient is φ = 145474560.

The previous prime is 312358183. The next prime is 312358229. The reversal of 312358216 is 612853213.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1725646 + ... + 1725826.

It is an arithmetic number, because the mean of its divisors is an integer number (9803430).

Almost surely, 2^312358216 is an apocalyptic number.

It is an amenable number.

312358216 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

312358216 is a wasteful number, since it uses less digits than its factorization.

312358216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 402 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 312358216 is about 17673.6588175737. The cubic root of 312358216 is about 678.5017590269.

The spelling of 312358216 in words is "three hundred twelve million, three hundred fifty-eight thousand, two hundred sixteen".