318670017385 has 4 divisors (see below), whose sum is σ = 382404020868. Its totient is φ = 254936013904.

The previous prime is 318670017373. The next prime is 318670017403. The reversal of 318670017385 is 583710076813.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95488416144 + 223181601241 = 309012^2 + 472421^2 .

It is a cyclic number.

It is not a de Polignac number, because 318670017385 - 2⁵ = 318670017353 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31867001734 + ... + 31867001743.

It is an arithmetic number, because the mean of its divisors is an integer number (95601005217).

Almost surely, 2^318670017385 is an apocalyptic number.

It is an amenable number.

318670017385 is a deficient number, since it is larger than the sum of its proper divisors (63734003483).

318670017385 is an equidigital number, since it uses as much as digits as its factorization.

318670017385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63734003482.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 318670017385 in words is "three hundred eighteen billion, six hundred seventy million, seventeen thousand, three hundred eighty-five".