316317687 has 32 divisors (see below), whose sum is σ = 498700800. Its totient is φ = 178234560.

The previous prime is 316317647. The next prime is 316317697. The reversal of 316317687 is 786713613.

It is not a de Polignac number, because 316317687 - 2⁷ = 316317559 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316317607) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73012 + ... + 77222.

It is an arithmetic number, because the mean of its divisors is an integer number (15584400).

Almost surely, 2^316317687 is an apocalyptic number.

316317687 is a deficient number, since it is larger than the sum of its proper divisors (182383113).

316317687 is an equidigital number, since it uses as much as digits as its factorization.

316317687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308 (or 4294 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 316317687 is about 17785.3222349217. The cubic root of 316317687 is about 681.3566392332.

It can be divided in two parts, 316 and 317687, that added together give a triangular number (318003 = T₇₉₇).

The spelling of 316317687 in words is "three hundred sixteen million, three hundred seventeen thousand, six hundred eighty-seven".