317980154406721 has 8 divisors (see below), whose sum is σ = 324747207287424. Its totient is φ = 311213164762800.

The previous prime is 317980154406713. The next prime is 317980154406737. The reversal of 317980154406721 is 127604451089713.

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 317980154406721 - 2³ = 317980154406713 is a prime.

It is a super-2 number, since 2×317980154406721² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (317980154406701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5575630 + ... + 25827271.

It is an arithmetic number, because the mean of its divisors is an integer number (40593400910928).

It is a 1-persistent number, because it is pandigital, but 2⋅317980154406721 = 635960308813442 is not.

Almost surely, 2^{317980154406721} is an apocalyptic number.

It is an amenable number.

317980154406721 is a deficient number, since it is larger than the sum of its proper divisors (6767052880703).

317980154406721 is a wasteful number, since it uses less digits than its factorization.

317980154406721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31618391.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 317980154406721 in words is "three hundred seventeen trillion, nine hundred eighty billion, one hundred fifty-four million, four hundred six thousand, seven hundred twenty-one".