315320655 has 16 divisors (see below), whose sum is σ = 543322080. Its totient is φ = 155234688.

The previous prime is 315320647. The next prime is 315320657. The reversal of 315320655 is 556023513.

It is not a de Polignac number, because 315320655 - 2³ = 315320647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315320657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808320 + ... + 808709.

It is an arithmetic number, because the mean of its divisors is an integer number (33957630).

Almost surely, 2^315320655 is an apocalyptic number.

315320655 is a deficient number, since it is larger than the sum of its proper divisors (228001425).

315320655 is a wasteful number, since it uses less digits than its factorization.

315320655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617050.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 315320655 is about 17757.2704828191. The cubic root of 315320655 is about 680.6400080254.

The spelling of 315320655 in words is "three hundred fifteen million, three hundred twenty thousand, six hundred fifty-five".