13157817102318 has 32 divisors (see below), whose sum is σ = 31045172152320. Its totient is φ = 3638106110880.

The previous prime is 13157817102299. The next prime is 13157817102341. The reversal of 13157817102318 is 81320171875131.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5052923853 + ... + 5052926456.

It is an arithmetic number, because the mean of its divisors is an integer number (970161629760).

Almost surely, 2^{13157817102318} is an apocalyptic number.

13157817102318 is an abundant number, since it is smaller than the sum of its proper divisors (17887355050002).

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

13157817102318 is a wasteful number, since it uses less digits than its factorization.

13157817102318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10105850352.

The product of its (nonzero) digits is 282240, while the sum is 48.

Adding to 13157817102318 its reverse (81320171875131), we get a palindrome (94477988977449).

The spelling of 13157817102318 in words is "thirteen trillion, one hundred fifty-seven billion, eight hundred seventeen million, one hundred two thousand, three hundred eighteen".