315215130432 has 56 divisors (see below), whose sum is σ = 883065926016. Its totient is φ = 98891020288.

The previous prime is 315215130431. The next prime is 315215130443. The reversal of 315215130432 is 234031512513.

It is a self number, because there is not a number n which added to its sum of digits gives 315215130432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315215130431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48283368 + ... + 48289895.

Almost surely, 2^315215130432 is an apocalyptic number.

315215130432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

315215130432 is an abundant number, since it is smaller than the sum of its proper divisors (567850795584).

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

315215130432 is a wasteful number, since it uses less digits than its factorization.

315215130432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96573295 (or 96573285 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 315215130432 its reverse (234031512513), we get a palindrome (549246642945).

The spelling of 315215130432 in words is "three hundred fifteen billion, two hundred fifteen million, one hundred thirty thousand, four hundred thirty-two".