315117 has 16 divisors (see below), whose sum is σ = 509760. Its totient is φ = 190800.

The previous prime is 315109. The next prime is 315127. The reversal of 315117 is 711513.

It is a happy number.

It is not a de Polignac number, because 315117 - 2³ = 315109 is a prime.

315117 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 315117.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 315117.

It is not an unprimeable number, because it can be changed into a prime (315127) 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, 234 + ... + 827.

It is an arithmetic number, because the mean of its divisors is an integer number (31860).

2³¹⁵¹¹⁷ is an apocalyptic number.

It is an amenable number.

315117 is a deficient number, since it is larger than the sum of its proper divisors (194643).

315117 is a wasteful number, since it uses less digits than its factorization.

315117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081 (or 1075 counting only the distinct ones).

The product of its digits is 105, while the sum is 18.

The square root of 315117 is about 561.3528302236. The cubic root of 315117 is about 68.0493442308.

The spelling of 315117 in words is "three hundred fifteen thousand, one hundred seventeen".