318672088813 has 32 divisors (see below), whose sum is σ = 371550164832. Its totient is φ = 270662246400.

The previous prime is 318672088759. The next prime is 318672088843. The reversal of 318672088813 is 318880276813.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 4913028649 + 313759060164 = 70093^2 + 560142^2 .

It is not a de Polignac number, because 318672088813 - 2¹³ = 318672080621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318672088843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3242943 + ... + 3339763.

It is an arithmetic number, because the mean of its divisors is an integer number (11610942651).

Almost surely, 2^318672088813 is an apocalyptic number.

It is an amenable number.

318672088813 is a deficient number, since it is larger than the sum of its proper divisors (52878076019).

318672088813 is a wasteful number, since it uses less digits than its factorization.

318672088813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97185.

The product of its (nonzero) digits is 3096576, while the sum is 55.

The spelling of 318672088813 in words is "three hundred eighteen billion, six hundred seventy-two million, eighty-eight thousand, eight hundred thirteen".