317408631 has 8 divisors (see below), whose sum is σ = 423306624. Its totient is φ = 211558200.

The previous prime is 317408561. The next prime is 317408633. The reversal of 317408631 is 136804713.

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

It is not a de Polignac number, because 317408631 - 2⁷ = 317408503 is a prime.

It is a super-2 number, since 2×317408631² = 201496478066588322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 317408592 and 317408601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317408633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8856 + ... + 26706.

It is an arithmetic number, because the mean of its divisors is an integer number (52913328).

Almost surely, 2^317408631 is an apocalyptic number.

317408631 is a deficient number, since it is larger than the sum of its proper divisors (105897993).

317408631 is a wasteful number, since it uses less digits than its factorization.

317408631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23781.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 317408631 is about 17815.9656207571. The cubic root of 317408631 is about 682.1390478233.

The spelling of 317408631 in words is "three hundred seventeen million, four hundred eight thousand, six hundred thirty-one".