315782713 has 4 divisors (see below), whose sum is σ = 319587408. Its totient is φ = 311978020.

The previous prime is 315782699. The next prime is 315782723. The reversal of 315782713 is 317287513.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 315782713 - 2²⁵ = 282228281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315782723) 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, 1902223 + ... + 1902388.

It is an arithmetic number, because the mean of its divisors is an integer number (79896852).

Almost surely, 2^315782713 is an apocalyptic number.

It is an amenable number.

315782713 is a deficient number, since it is larger than the sum of its proper divisors (3804695).

315782713 is an equidigital number, since it uses as much as digits as its factorization.

315782713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3804694.

The product of its digits is 35280, while the sum is 37.

The square root of 315782713 is about 17770.2761092787. The cubic root of 315782713 is about 680.9723064489.

The spelling of 315782713 in words is "three hundred fifteen million, seven hundred eighty-two thousand, seven hundred thirteen".