313112644 has 12 divisors (see below), whose sum is σ = 590097004. Its totient is φ = 144513504.

The previous prime is 313112633. The next prime is 313112669. The reversal of 313112644 is 446211313.

It can be written as a sum of positive squares in 2 ways, for example, as 60684100 + 252428544 = 7790^2 + 15888^2 .

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, 3010647 + ... + 3010750.

Almost surely, 2^313112644 is an apocalyptic number.

It is an amenable number.

313112644 is a deficient number, since it is larger than the sum of its proper divisors (276984360).

313112644 is a wasteful number, since it uses less digits than its factorization.

313112644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6021414 (or 6021412 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 313112644 is about 17694.9892342437. The cubic root of 313112644 is about 679.0475737802.

Adding to 313112644 its reverse (446211313), we get a palindrome (759323957).

The spelling of 313112644 in words is "three hundred thirteen million, one hundred twelve thousand, six hundred forty-four".