317157431217000 has 128 divisors (see below), whose sum is σ = 1079488566000000. Its totient is φ = 76886649984000.

The previous prime is 317157431216981. The next prime is 317157431217031. The reversal of 317157431217000 is 712134751713.

It is a super-2 number, since 2×317157431217000² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4805382625 + ... + 4805448624.

It is an arithmetic number, because the mean of its divisors is an integer number (8433504421875).

Almost surely, 2^{317157431217000} is an apocalyptic number.

317157431217000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

317157431217000 is an abundant number, since it is smaller than the sum of its proper divisors (762331134783000).

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

317157431217000 is a wasteful number, since it uses less digits than its factorization.

317157431217000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9610831284 (or 9610831270 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 42.

Adding to 317157431217000 its reverse (712134751713), we get a palindrome (317869565968713).

The spelling of 317157431217000 in words is "three hundred seventeen trillion, one hundred fifty-seven billion, four hundred thirty-one million, two hundred seventeen thousand".