317117 has 4 divisors (see below), whose sum is σ = 318396. Its totient is φ = 315840.

The previous prime is 317089. The next prime is 317123. The reversal of 317117 is 711713.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 139876 + 177241 = 374^2 + 421^2 .

It is a cyclic number.

It is not a de Polignac number, because 317117 - 2⁸ = 316861 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 317117.

It is not an unprimeable number, because it can be changed into a prime (317197) 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, 134 + ... + 807.

It is an arithmetic number, because the mean of its divisors is an integer number (79599).

2³¹⁷¹¹⁷ is an apocalyptic number.

It is an amenable number.

317117 is a deficient number, since it is larger than the sum of its proper divisors (1279).

317117 is an equidigital number, since it uses as much as digits as its factorization.

317117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278.

The product of its digits is 147, while the sum is 20.

The square root of 317117 is about 563.1314233818. The cubic root of 317117 is about 68.1930070257.

It can be divided in two parts, 317 and 117, that added together give a palindrome (434).

The spelling of 317117 in words is "three hundred seventeen thousand, one hundred seventeen", and thus it is an iban number.