315023488 has 96 divisors (see below), whose sum is σ = 701911980. Its totient is φ = 139991040.

The previous prime is 315023453. The next prime is 315023497. The reversal of 315023488 is 884320513.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 310041664 + 4981824 = 17608^2 + 2232^2 .

It is a super-2 number, since 2×315023488² = 198479595983372288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1599006 + ... + 1599202.

Almost surely, 2^315023488 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 315023488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350955990).

315023488 is an abundant number, since it is smaller than the sum of its proper divisors (386888492).

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

315023488 is a wasteful number, since it uses less digits than its factorization.

315023488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 315023488 is about 17748.9010364022. The cubic root of 315023488 is about 680.4261227640.

The spelling of 315023488 in words is "three hundred fifteen million, twenty-three thousand, four hundred eighty-eight".