313340256 has 36 divisors (see below), whose sum is σ = 891062172. Its totient is φ = 104446656.

The previous prime is 313340249. The next prime is 313340323. The reversal of 313340256 is 652043313.

It is a happy number.

313340256 is a `hidden beast` number, since 313 + 340 + 2 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 543706 + ... + 544281.

It is an arithmetic number, because the mean of its divisors is an integer number (24751727).

Almost surely, 2^313340256 is an apocalyptic number.

313340256 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

313340256 is an abundant number, since it is smaller than the sum of its proper divisors (577721916).

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

313340256 is a wasteful number, since it uses less digits than its factorization.

313340256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088003 (or 1087992 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 313340256 is about 17701.4196040883. The cubic root of 313340256 is about 679.2120746853.

Adding to 313340256 its reverse (652043313), we get a palindrome (965383569).

The spelling of 313340256 in words is "three hundred thirteen million, three hundred forty thousand, two hundred fifty-six".