318243342813 has 64 divisors (see below), whose sum is σ = 477837066240. Its totient is φ = 186765163200.

The previous prime is 318243342803. The next prime is 318243342827.

318243342813 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 318243342813 - 2⁶ = 318243342749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318243342803) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56353356 + ... + 56359002.

It is an arithmetic number, because the mean of its divisors is an integer number (7466204160).

Almost surely, 2^318243342813 is an apocalyptic number.

318243342813 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

318243342813 is a deficient number, since it is larger than the sum of its proper divisors (159593723427).

318243342813 is a wasteful number, since it uses less digits than its factorization.

318243342813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6158.

The product of its digits is 331776, while the sum is 42.

The spelling of 318243342813 in words is "three hundred eighteen billion, two hundred forty-three million, three hundred forty-two thousand, eight hundred thirteen".