315303857 has 12 divisors (see below), whose sum is σ = 348055680. Its totient is φ = 285414360.

The previous prime is 315303853. The next prime is 315303869. The reversal of 315303857 is 758303513.

It is not a de Polignac number, because 315303857 - 2² = 315303853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315303851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23468 + ... + 34370.

It is an arithmetic number, because the mean of its divisors is an integer number (29004640).

Almost surely, 2^315303857 is an apocalyptic number.

It is an amenable number.

315303857 is a deficient number, since it is larger than the sum of its proper divisors (32751823).

315303857 is a wasteful number, since it uses less digits than its factorization.

315303857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11164 (or 11153 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 315303857 is about 17756.7974871597. The cubic root of 315303857 is about 680.6279212880.

The spelling of 315303857 in words is "three hundred fifteen million, three hundred three thousand, eight hundred fifty-seven".