313070720 has 64 divisors (see below), whose sum is σ = 758800440. Its totient is φ = 123494400.

The previous prime is 313070671. The next prime is 313070753. The reversal of 313070720 is 27070313.

It can be written as a sum of positive squares in 4 ways, for example, as 246615616 + 66455104 = 15704^2 + 8152^2 .

It is a tau number, because it is divible by the number of its divisors (64).

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, 43370 + ... + 50070.

Almost surely, 2^313070720 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 313070720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (379400220).

313070720 is an abundant number, since it is smaller than the sum of its proper divisors (445729720).

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

313070720 is an equidigital number, since it uses as much as digits as its factorization.

313070720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793 (or 6781 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 23.

The square root of 313070720 is about 17693.8045654404. The cubic root of 313070720 is about 679.0172655597.

The spelling of 313070720 in words is "three hundred thirteen million, seventy thousand, seven hundred twenty".