318358853813 has 32 divisors (see below), whose sum is σ = 437872442112. Its totient is φ = 223404249600.

The previous prime is 318358853807. The next prime is 318358853833.

318358853813 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 318358853813 - 2¹⁶ = 318358788277 is a prime.

It is a super-2 number, since 2×318358853813² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) 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 not an unprimeable number, because it can be changed into a prime (318358853833) 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, 3837506 + ... + 3919587.

It is an arithmetic number, because the mean of its divisors is an integer number (13683513816).

Almost surely, 2^318358853813 is an apocalyptic number.

It is an amenable number.

318358853813 is a deficient number, since it is larger than the sum of its proper divisors (119513588299).

318358853813 is a wasteful number, since it uses less digits than its factorization.

318358853813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7757165.

The product of its digits is 8294400, while the sum is 56.

The spelling of 318358853813 in words is "three hundred eighteen billion, three hundred fifty-eight million, eight hundred fifty-three thousand, eight hundred thirteen".