313920312 has 32 divisors (see below), whose sum is σ = 786195600. Its totient is φ = 104454144.

The previous prime is 313920301. The next prime is 313920361. The reversal of 313920312 is 213029313.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 2514 + ... + 25182.

Almost surely, 2^313920312 is an apocalyptic number.

It is an amenable number.

313920312 is an abundant number, since it is smaller than the sum of its proper divisors (472275288).

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

313920312 is a wasteful number, since it uses less digits than its factorization.

313920312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23255 (or 23251 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 313920312 is about 17717.7964769889. The cubic root of 313920312 is about 679.6309358313.

Adding to 313920312 its reverse (213029313), we get a palindrome (526949625).

The spelling of 313920312 in words is "three hundred thirteen million, nine hundred twenty thousand, three hundred twelve".