312813068 has 12 divisors (see below), whose sum is σ = 548976120. Its totient is φ = 155962752.

The previous prime is 312813047. The next prime is 312813079. The reversal of 312813068 is 860318213.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109358 + ... + 112181.

It is an arithmetic number, because the mean of its divisors is an integer number (45748010).

Almost surely, 2^312813068 is an apocalyptic number.

It is an amenable number.

312813068 is a deficient number, since it is larger than the sum of its proper divisors (236163052).

312813068 is a wasteful number, since it uses less digits than its factorization.

312813068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221896 (or 221894 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 312813068 is about 17686.5222132561. The cubic root of 312813068 is about 678.8309411278.

The spelling of 312813068 in words is "three hundred twelve million, eight hundred thirteen thousand, sixty-eight".