318129713617 has 8 divisors (see below), whose sum is σ = 339024450816. Its totient is φ = 297823560672.

The previous prime is 318129713611. The next prime is 318129713651. The reversal of 318129713617 is 716317921813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 318129713617 - 2³ = 318129713609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318129713611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147144948 + ... + 147147109.

It is an arithmetic number, because the mean of its divisors is an integer number (42378056352).

Almost surely, 2^318129713617 is an apocalyptic number.

It is an amenable number.

318129713617 is a deficient number, since it is larger than the sum of its proper divisors (20894737199).

318129713617 is a wasteful number, since it uses less digits than its factorization.

318129713617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294292127.

The product of its digits is 381024, while the sum is 49.

The spelling of 318129713617 in words is "three hundred eighteen billion, one hundred twenty-nine million, seven hundred thirteen thousand, six hundred seventeen".