318397211279 has 16 divisors (see below), whose sum is σ = 371343931200. Its totient is φ = 272886001920.

The previous prime is 318397211267. The next prime is 318397211323. The reversal of 318397211279 is 972112793813.

It is not a de Polignac number, because 318397211279 - 2⁴ = 318397211263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 318397211279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318397211779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4160747 + ... + 4236579.

It is an arithmetic number, because the mean of its divisors is an integer number (23208995700).

Almost surely, 2^318397211279 is an apocalyptic number.

318397211279 is a deficient number, since it is larger than the sum of its proper divisors (52946719921).

318397211279 is an equidigital number, since it uses as much as digits as its factorization.

318397211279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88095 (or 88081 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 53.

The spelling of 318397211279 in words is "three hundred eighteen billion, three hundred ninety-seven million, two hundred eleven thousand, two hundred seventy-nine".