318424963521312 has 384 divisors, whose sum is σ = 996727213440000. Its totient is φ = 99776043233280.

The previous prime is 318424963521293. The next prime is 318424963521323. The reversal of 318424963521312 is 213125369424813.

It is a happy number.

318424963521312 is a `hidden beast` number, since 3 + 1 + 8 + 4 + 2 + 49 + 63 + 521 + 3 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 976603689 + ... + 976929687.

It is an arithmetic number, because the mean of its divisors is an integer number (2595643785000).

Almost surely, 2^{318424963521312} is an apocalyptic number.

318424963521312 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 318424963521312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (498363606720000).

318424963521312 is an abundant number, since it is smaller than the sum of its proper divisors (678302249918688).

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

318424963521312 is an equidigital number, since it uses as much as digits as its factorization.

318424963521312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326868 (or 326842 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 318424963521312 in words is "three hundred eighteen trillion, four hundred twenty-four billion, nine hundred sixty-three million, five hundred twenty-one thousand, three hundred twelve".