318856344357 has 8 divisors (see below), whose sum is σ = 425147344384. Its totient is φ = 212568120288.

The previous prime is 318856344343. The next prime is 318856344371. The reversal of 318856344357 is 753443658813.

It is an interprime number because it is at equal distance from previous prime (318856344343) and next prime (318856344371).

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

It is not a de Polignac number, because 318856344357 - 2⁴ = 318856344341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 318856344297 and 318856344306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318856344857) 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, 409288 + ... + 897345.

It is an arithmetic number, because the mean of its divisors is an integer number (53143418048).

Almost surely, 2^318856344357 is an apocalyptic number.

It is an amenable number.

318856344357 is a deficient number, since it is larger than the sum of its proper divisors (106291000027).

318856344357 is a wasteful number, since it uses less digits than its factorization.

318856344357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387979.

The product of its digits is 29030400, while the sum is 57.

The spelling of 318856344357 in words is "three hundred eighteen billion, eight hundred fifty-six million, three hundred forty-four thousand, three hundred fifty-seven".