317315285 has 16 divisors (see below), whose sum is σ = 460774656. Its totient is φ = 204787968.

The previous prime is 317315267. The next prime is 317315311. The reversal of 317315285 is 582513713.

It is not a de Polignac number, because 317315285 - 2⁶ = 317315221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266057 + ... + 267246.

It is an arithmetic number, because the mean of its divisors is an integer number (28798416).

Almost surely, 2^317315285 is an apocalyptic number.

317315285 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

317315285 is a deficient number, since it is larger than the sum of its proper divisors (143459371).

317315285 is a wasteful number, since it uses less digits than its factorization.

317315285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533332.

The product of its digits is 25200, while the sum is 35.

The square root of 317315285 is about 17813.3456992223. The cubic root of 317315285 is about 682.0721716808.

Adding to 317315285 its reverse (582513713), we get a palindrome (899828998).

The spelling of 317315285 in words is "three hundred seventeen million, three hundred fifteen thousand, two hundred eighty-five".