315383053128 has 192 divisors, whose sum is σ = 932582522880. Its totient is φ = 88106054400.

The previous prime is 315383053103. The next prime is 315383053133. The reversal of 315383053128 is 821350383513.

It is a self number, because there is not a number n which added to its sum of digits gives 315383053128.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38499513 + ... + 38507703.

It is an arithmetic number, because the mean of its divisors is an integer number (4857200640).

Almost surely, 2^315383053128 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 315383053128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466291261440).

315383053128 is an abundant number, since it is smaller than the sum of its proper divisors (617199469752).

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

315383053128 is a wasteful number, since it uses less digits than its factorization.

315383053128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9100 (or 9083 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 315383053128 in words is "three hundred fifteen billion, three hundred eighty-three million, fifty-three thousand, one hundred twenty-eight".