313117308 has 144 divisors (see below), whose sum is σ = 956067840. Its totient is φ = 84471552.

The previous prime is 313117297. The next prime is 313117319. The reversal of 313117308 is 803711313.

It is an interprime number because it is at equal distance from previous prime (313117297) and next prime (313117319).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 515541 + ... + 516147.

It is an arithmetic number, because the mean of its divisors is an integer number (6639360).

Almost surely, 2^313117308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313117308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478033920).

313117308 is an abundant number, since it is smaller than the sum of its proper divisors (642950532).

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

313117308 is a wasteful number, since it uses less digits than its factorization.

313117308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 313117308 is about 17695.1210224740. The cubic root of 313117308 is about 679.0509453700.

The spelling of 313117308 in words is "three hundred thirteen million, one hundred seventeen thousand, three hundred eight".