317138076 has 72 divisors (see below), whose sum is σ = 839215104. Its totient is φ = 100789920.

The previous prime is 317138071. The next prime is 317138083. The reversal of 317138076 is 670831713.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 317138076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317138071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 502281 + ... + 502911.

Almost surely, 2^317138076 is an apocalyptic number.

317138076 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317138076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419607552).

317138076 is an abundant number, since it is smaller than the sum of its proper divisors (522077028).

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

317138076 is a wasteful number, since it uses less digits than its factorization.

317138076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 317138076 is about 17808.3709530097. The cubic root of 317138076 is about 681.9451772365.

Adding to 317138076 its reverse (670831713), we get a palindrome (987969789).

The spelling of 317138076 in words is "three hundred seventeen million, one hundred thirty-eight thousand, seventy-six".