317936865081 has 8 divisors (see below), whose sum is σ = 462453621984. Its totient is φ = 192689009120.

The previous prime is 317936865049. The next prime is 317936865083. The reversal of 317936865081 is 180568639713.

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 317936865081 - 2⁵ = 317936865049 is a prime.

It is a super-2 number, since 2×317936865081² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (317936865083) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4817225196 + ... + 4817225261.

It is an arithmetic number, because the mean of its divisors is an integer number (57806702748).

Almost surely, 2^317936865081 is an apocalyptic number.

It is an amenable number.

317936865081 is a deficient number, since it is larger than the sum of its proper divisors (144516756903).

317936865081 is a wasteful number, since it uses less digits than its factorization.

317936865081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9634450471.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 317936865081 in words is "three hundred seventeen billion, nine hundred thirty-six million, eight hundred sixty-five thousand, eighty-one".