317071216 has 80 divisors (see below), whose sum is σ = 811019520. Its totient is φ = 116259840.

The previous prime is 317071213. The next prime is 317071231. The reversal of 317071216 is 612170713.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317071211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13375 + ... + 28513.

It is an arithmetic number, because the mean of its divisors is an integer number (10137744).

Almost surely, 2^317071216 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 317071216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405509760).

317071216 is an abundant number, since it is smaller than the sum of its proper divisors (493948304).

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

317071216 is a wasteful number, since it uses less digits than its factorization.

317071216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15182 (or 15176 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 317071216 is about 17806.4936469817. The cubic root of 317071216 is about 681.8972506261.

It can be divided in two parts, 31707 and 1216, that added together give a palindrome (32923).

The spelling of 317071216 in words is "three hundred seventeen million, seventy-one thousand, two hundred sixteen".