315317 has 8 divisors (see below), whose sum is σ = 332640. Its totient is φ = 298480.

The previous prime is 315313. The next prime is 315349. The reversal of 315317 is 713513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 315317 - 2² = 315313 is a prime.

It is a Duffinian number.

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 315317.

It is not an unprimeable number, because it can be changed into a prime (315313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2342 + ... + 2472.

It is an arithmetic number, because the mean of its divisors is an integer number (41580).

2³¹⁵³¹⁷ is an apocalyptic number.

It is an amenable number.

315317 is a deficient number, since it is larger than the sum of its proper divisors (17323).

315317 is a wasteful number, since it uses less digits than its factorization.

315317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243.

The product of its digits is 315, while the sum is 20.

The square root of 315317 is about 561.5309430477. The cubic root of 315317 is about 68.0637378164.

The spelling of 315317 in words is "three hundred fifteen thousand, three hundred seventeen".