313130312 has 16 divisors (see below), whose sum is σ = 640494000. Its totient is φ = 142331920.

The previous prime is 313130273. The next prime is 313130333. The reversal of 313130312 is 213031313.

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, 1779062 + ... + 1779237.

It is an arithmetic number, because the mean of its divisors is an integer number (40030875).

Almost surely, 2^313130312 is an apocalyptic number.

It is an amenable number.

313130312 is an abundant number, since it is smaller than the sum of its proper divisors (327363688).

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

313130312 is a wasteful number, since it uses less digits than its factorization.

313130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558316 (or 3558312 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 313130312 is about 17695.4884645776. The cubic root of 313130312 is about 679.0603457406.

Adding to 313130312 its reverse (213031313), we get a palindrome (526161625).

The spelling of 313130312 in words is "three hundred thirteen million, one hundred thirty thousand, three hundred twelve".