318243426912 has 144 divisors (see below), whose sum is σ = 954765630000. Its totient is φ = 100273324032.

The previous prime is 318243426901. The next prime is 318243426953. The reversal of 318243426912 is 219624342813.

318243426912 is a `hidden beast` number, since 3 + 182 + 43 + 426 + 9 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2392164 + ... + 2521692.

It is an arithmetic number, because the mean of its divisors is an integer number (6630316875).

Almost surely, 2^318243426912 is an apocalyptic number.

318243426912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318243426912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477382815000).

318243426912 is an abundant number, since it is smaller than the sum of its proper divisors (636522203088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318243426912 is a wasteful number, since it uses less digits than its factorization.

318243426912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130013 (or 130002 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The spelling of 318243426912 in words is "three hundred eighteen billion, two hundred forty-three million, four hundred twenty-six thousand, nine hundred twelve".