318585743313 has 4 divisors (see below), whose sum is σ = 424780991088. Its totient is φ = 212390495540.

The previous prime is 318585743279. The next prime is 318585743341. The reversal of 318585743313 is 313347585813.

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 318585743313 - 2¹³ = 318585735121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (318585742313) 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, 53097623883 + ... + 53097623888.

It is an arithmetic number, because the mean of its divisors is an integer number (106195247772).

Almost surely, 2^318585743313 is an apocalyptic number.

It is an amenable number.

318585743313 is a deficient number, since it is larger than the sum of its proper divisors (106195247775).

318585743313 is a wasteful number, since it uses less digits than its factorization.

318585743313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106195247774.

The product of its digits is 3628800, while the sum is 51.

The spelling of 318585743313 in words is "three hundred eighteen billion, five hundred eighty-five million, seven hundred forty-three thousand, three hundred thirteen".