317391928951 has 8 divisors (see below), whose sum is σ = 329717201024. Its totient is φ = 305197083360.

The previous prime is 317391928949. The next prime is 317391928957. The reversal of 317391928951 is 159829193713.

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

It is a cyclic number.

It is not a de Polignac number, because 317391928951 - 2¹ = 317391928949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317391928957) 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, 32601660 + ... + 32611393.

It is an arithmetic number, because the mean of its divisors is an integer number (41214650128).

Almost surely, 2^317391928951 is an apocalyptic number.

317391928951 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

317391928951 is a deficient number, since it is larger than the sum of its proper divisors (12325272073).

317391928951 is a wasteful number, since it uses less digits than its factorization.

317391928951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65213241.

The product of its digits is 3674160, while the sum is 58.

The spelling of 317391928951 in words is "three hundred seventeen billion, three hundred ninety-one million, nine hundred twenty-eight thousand, nine hundred fifty-one".