317118 has 16 divisors (see below), whose sum is σ = 671760. Its totient is φ = 99456.

The previous prime is 317089. The next prime is 317123. The reversal of 317118 is 811713.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 317094 and 317103.

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 317118.

It is an unprimeable number.

317118 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1453 + ... + 1656.

It is an arithmetic number, because the mean of its divisors is an integer number (41985).

2³¹⁷¹¹⁸ is an apocalyptic number.

317118 is an abundant number, since it is smaller than the sum of its proper divisors (354642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

317118 is a wasteful number, since it uses less digits than its factorization.

317118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131.

The product of its digits is 168, while the sum is 21.

The square root of 317118 is about 563.1323112733. The cubic root of 317118 is about 68.1930787058.

It can be divided in two parts, 317 and 118, that added together give a triangular number (435 = T₂₉).

The spelling of 317118 in words is "three hundred seventeen thousand, one hundred eighteen".