317316216 has 64 divisors (see below), whose sum is σ = 908513280. Its totient is φ = 90472320.

The previous prime is 317316163. The next prime is 317316227. The reversal of 317316216 is 612613713.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91881 + ... + 95271.

It is an arithmetic number, because the mean of its divisors is an integer number (14195520).

Almost surely, 2^317316216 is an apocalyptic number.

It is an amenable number.

317316216 is an abundant number, since it is smaller than the sum of its proper divisors (591197064).

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

317316216 is a wasteful number, since it uses less digits than its factorization.

317316216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3964 (or 3960 counting only the distinct ones).

The product of its digits is 4536, while the sum is 30.

The square root of 317316216 is about 17813.3718312957. The cubic root of 317316216 is about 682.0728387445.

Adding to 317316216 its reverse (612613713), we get a palindrome (929929929).

The spelling of 317316216 in words is "three hundred seventeen million, three hundred sixteen thousand, two hundred sixteen".