317157442918 has 16 divisors (see below), whose sum is σ = 476756421120. Its totient is φ = 158238748800.

The previous prime is 317157442879. The next prime is 317157442919. The reversal of 317157442918 is 819244751713.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317157442919) 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, 6359038 + ... + 6408718.

It is an arithmetic number, because the mean of its divisors is an integer number (29797276320).

Almost surely, 2^317157442918 is an apocalyptic number.

317157442918 is a deficient number, since it is larger than the sum of its proper divisors (159598978202).

317157442918 is a wasteful number, since it uses less digits than its factorization.

317157442918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56463.

The product of its digits is 1693440, while the sum is 52.

The spelling of 317157442918 in words is "three hundred seventeen billion, one hundred fifty-seven million, four hundred forty-two thousand, nine hundred eighteen".