317942712 has 64 divisors (see below), whose sum is σ = 886041600. Its totient is φ = 105636960.

The previous prime is 317942699. The next prime is 317942753. The reversal of 317942712 is 217249713.

It is a super-2 number, since 2×317942712² = 202175136227829888, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 69273 + ... + 73719.

It is an arithmetic number, because the mean of its divisors is an integer number (13844400).

Almost surely, 2^317942712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 317942712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443020800).

317942712 is an abundant number, since it is smaller than the sum of its proper divisors (568098888).

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

317942712 is a wasteful number, since it uses less digits than its factorization.

317942712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4793 (or 4783 counting only the distinct ones).

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

The square root of 317942712 is about 17830.9481520193. The cubic root of 317942712 is about 682.5214291062.

The spelling of 317942712 in words is "three hundred seventeen million, nine hundred forty-two thousand, seven hundred twelve".