315127472 has 40 divisors (see below), whose sum is σ = 668623872. Its totient is φ = 142689600.

The previous prime is 315127469. The next prime is 315127541. The reversal of 315127472 is 274721513.

It is a super-2 number, since 2×315127472² = 198610647218221568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44393 + ... + 50999.

Almost surely, 2^315127472 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 315127472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334311936).

315127472 is an abundant number, since it is smaller than the sum of its proper divisors (353496400).

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

315127472 is a wasteful number, since it uses less digits than its factorization.

315127472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6897 (or 6891 counting only the distinct ones).

The product of its digits is 11760, while the sum is 32.

The square root of 315127472 is about 17751.8301028373. The cubic root of 315127472 is about 680.5009803002.

Adding to 315127472 its reverse (274721513), we get a palindrome (589848985).

The spelling of 315127472 in words is "three hundred fifteen million, one hundred twenty-seven thousand, four hundred seventy-two".