3218316317313 has 4 divisors (see below), whose sum is σ = 4291088423088. Its totient is φ = 2145544211540.

The previous prime is 3218316317311. The next prime is 3218316317329. The reversal of 3218316317313 is 3137136138123.

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.

It is a cyclic number.

It is not a de Polignac number, because 3218316317313 - 2¹ = 3218316317311 is a prime.

It is a super-2 number, since 2×3218316317313² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3218316317311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536386052883 + ... + 536386052888.

It is an arithmetic number, because the mean of its divisors is an integer number (1072772105772).

Almost surely, 2^{3218316317313} is an apocalyptic number.

It is an amenable number.

3218316317313 is a deficient number, since it is larger than the sum of its proper divisors (1072772105775).

3218316317313 is a wasteful number, since it uses less digits than its factorization.

3218316317313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072772105774.

The product of its digits is 163296, while the sum is 42.

The spelling of 3218316317313 in words is "three trillion, two hundred eighteen billion, three hundred sixteen million, three hundred seventeen thousand, three hundred thirteen".