317996951 has 8 divisors (see below), whose sum is σ = 339356160. Its totient is φ = 296932608.

The previous prime is 317996933. The next prime is 317996953. The reversal of 317996951 is 159699713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-317996951 is a prime.

It is a super-2 number, since 2×317996951² = 202244121690592802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 317996951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317996953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71486 + ... + 75803.

It is an arithmetic number, because the mean of its divisors is an integer number (42419520).

Almost surely, 2^317996951 is an apocalyptic number.

317996951 is a deficient number, since it is larger than the sum of its proper divisors (21359209).

317996951 is a wasteful number, since it uses less digits than its factorization.

317996951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147433.

The product of its digits is 459270, while the sum is 50.

The square root of 317996951 is about 17832.4690102072. The cubic root of 317996951 is about 682.5602381678.

The spelling of 317996951 in words is "three hundred seventeen million, nine hundred ninety-six thousand, nine hundred fifty-one".