318295314473136 has 640 divisors, whose sum is σ = 1154056908963840. Its totient is φ = 72917928345600.

The previous prime is 318295314473051. The next prime is 318295314473141. The reversal of 318295314473136 is 631374413592813.

It is a self number, because there is not a number n which added to its sum of digits gives 318295314473136.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 116317056 + ... + 119022048.

It is an arithmetic number, because the mean of its divisors is an integer number (1803213920256).

Almost surely, 2^{318295314473136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318295314473136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (577028454481920).

318295314473136 is an abundant number, since it is smaller than the sum of its proper divisors (835761594490704).

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

318295314473136 is a wasteful number, since it uses less digits than its factorization.

318295314473136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2705145 (or 2705139 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 60.

The spelling of 318295314473136 in words is "three hundred eighteen trillion, two hundred ninety-five billion, three hundred fourteen million, four hundred seventy-three thousand, one hundred thirty-six".