315534032 has 80 divisors (see below), whose sum is σ = 693705600. Its totient is φ = 137779200.

The previous prime is 315534019. The next prime is 315534053. The reversal of 315534032 is 230435513.

It is a junction number, because it is equal to n+sod(n) for n = 315533992 and 315534010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 526469 + ... + 527067.

It is an arithmetic number, because the mean of its divisors is an integer number (8671320).

Almost surely, 2^315534032 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 315534032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346852800).

315534032 is an abundant number, since it is smaller than the sum of its proper divisors (378171568).

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

315534032 is a wasteful number, since it uses less digits than its factorization.

315534032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 315534032 is about 17763.2776254834. The cubic root of 315534032 is about 680.7935027547.

Adding to 315534032 its reverse (230435513), we get a palindrome (545969545).

The spelling of 315534032 in words is "three hundred fifteen million, five hundred thirty-four thousand, thirty-two".