318606382361 has 4 divisors (see below), whose sum is σ = 332458833792. Its totient is φ = 304753930932.

The previous prime is 318606382327. The next prime is 318606382403. The reversal of 318606382361 is 163283606813.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163283606813 = 31 ⋅5267213123.

It is a cyclic number.

It is not a de Polignac number, because 318606382361 - 2¹⁰ = 318606381337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (318606382301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6926225681 + ... + 6926225726.

It is an arithmetic number, because the mean of its divisors is an integer number (83114708448).

Almost surely, 2^318606382361 is an apocalyptic number.

It is an amenable number.

318606382361 is a deficient number, since it is larger than the sum of its proper divisors (13852451431).

318606382361 is a wasteful number, since it uses less digits than its factorization.

318606382361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13852451430.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 318606382361 in words is "three hundred eighteen billion, six hundred six million, three hundred eighty-two thousand, three hundred sixty-one".