318442858109 has 8 divisors (see below), whose sum is σ = 330312187392. Its totient is φ = 306776423520.

The previous prime is 318442858051. The next prime is 318442858141. The reversal of 318442858109 is 901858244813.

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

It is a cyclic number.

It is not a de Polignac number, because 318442858109 - 2¹⁶ = 318442792573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318442858169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50720477 + ... + 50726754.

It is an arithmetic number, because the mean of its divisors is an integer number (41289023424).

Almost surely, 2^318442858109 is an apocalyptic number.

It is an amenable number.

318442858109 is a deficient number, since it is larger than the sum of its proper divisors (11869329283).

318442858109 is a wasteful number, since it uses less digits than its factorization.

318442858109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101447347.

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 318442858109 in words is "three hundred eighteen billion, four hundred forty-two million, eight hundred fifty-eight thousand, one hundred nine".