313708420 has 12 divisors (see below), whose sum is σ = 658787724. Its totient is φ = 125483360.

The previous prime is 313708403. The next prime is 313708427. The reversal of 313708420 is 24807313.

It can be written as a sum of positive squares in 2 ways, for example, as 208686916 + 105021504 = 14446^2 + 10248^2 .

It is not an unprimeable number, because it can be changed into a prime (313708427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7842691 + ... + 7842730.

It is an arithmetic number, because the mean of its divisors is an integer number (54898977).

Almost surely, 2^313708420 is an apocalyptic number.

It is an amenable number.

313708420 is an abundant number, since it is smaller than the sum of its proper divisors (345079304).

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

313708420 is a wasteful number, since it uses less digits than its factorization.

313708420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15685430 (or 15685428 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 313708420 is about 17711.8158301175. The cubic root of 313708420 is about 679.4779874915.

The spelling of 313708420 in words is "three hundred thirteen million, seven hundred eight thousand, four hundred twenty".