315330316728 has 128 divisors (see below), whose sum is σ = 910458731520. Its totient is φ = 89147151360.

The previous prime is 315330316657. The next prime is 315330316781. The reversal of 315330316728 is 827613033513.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 315330316728.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 7135950 + ... + 7180002.

It is an arithmetic number, because the mean of its divisors is an integer number (7112958840).

Almost surely, 2^315330316728 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 315330316728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455229365760).

315330316728 is an abundant number, since it is smaller than the sum of its proper divisors (595128414792).

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

315330316728 is a wasteful number, since it uses less digits than its factorization.

315330316728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44517 (or 44513 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 315330316728 in words is "three hundred fifteen billion, three hundred thirty million, three hundred sixteen thousand, seven hundred twenty-eight".