313130256 has 40 divisors (see below), whose sum is σ = 835017984. Its totient is φ = 101009280.

The previous prime is 313130239. The next prime is 313130261. The reversal of 313130256 is 652031313.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103731 + ... + 106706.

Almost surely, 2^313130256 is an apocalyptic number.

It is an amenable number.

313130256 is an abundant number, since it is smaller than the sum of its proper divisors (521887728).

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

313130256 is a wasteful number, since it uses less digits than its factorization.

313130256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210479 (or 210473 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 313130256 is about 17695.4868822533. The cubic root of 313130256 is about 679.0603052597.

Adding to 313130256 its reverse (652031313), we get a palindrome (965161569).

The spelling of 313130256 in words is "three hundred thirteen million, one hundred thirty thousand, two hundred fifty-six".