318854785271 has 4 divisors (see below), whose sum is σ = 347841583944. Its totient is φ = 289867986600.

The previous prime is 318854785267. The next prime is 318854785289. The reversal of 318854785271 is 172587458813.

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

It is a cyclic number.

It is not a de Polignac number, because 318854785271 - 2² = 318854785267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 318854785271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318854725271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14493399320 + ... + 14493399341.

It is an arithmetic number, because the mean of its divisors is an integer number (86960395986).

Almost surely, 2^318854785271 is an apocalyptic number.

318854785271 is a deficient number, since it is larger than the sum of its proper divisors (28986798673).

318854785271 is a wasteful number, since it uses less digits than its factorization.

318854785271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28986798672.

The product of its digits is 15052800, while the sum is 59.

The spelling of 318854785271 in words is "three hundred eighteen billion, eight hundred fifty-four million, seven hundred eighty-five thousand, two hundred seventy-one".