318861338337 has 12 divisors (see below), whose sum is σ = 461860439040. Its totient is φ = 211982094648.

The previous prime is 318861338291. The next prime is 318861338353. The reversal of 318861338337 is 733833168813.

318861338337 is a `hidden beast` number, since 3 + 18 + 8 + 613 + 3 + 8 + 3 + 3 + 7 = 666.

It is not a de Polignac number, because 318861338337 - 2¹⁰ = 318861337313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (318861338377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49340833 + ... + 49347294.

It is an arithmetic number, because the mean of its divisors is an integer number (38488369920).

Almost surely, 2^318861338337 is an apocalyptic number.

It is an amenable number.

318861338337 is a deficient number, since it is larger than the sum of its proper divisors (142999100703).

318861338337 is a wasteful number, since it uses less digits than its factorization.

318861338337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98688492 (or 98688489 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 318861338337 in words is "three hundred eighteen billion, eight hundred sixty-one million, three hundred thirty-eight thousand, three hundred thirty-seven".