315254403232 has 48 divisors (see below), whose sum is σ = 648253065600. Its totient is φ = 150631633152.

The previous prime is 315254403223. The next prime is 315254403263. The reversal of 315254403232 is 232304452513.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580894 + ... + 983842.

It is an arithmetic number, because the mean of its divisors is an integer number (13505272200).

Almost surely, 2^315254403232 is an apocalyptic number.

315254403232 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315254403232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324126532800).

315254403232 is an abundant number, since it is smaller than the sum of its proper divisors (332998662368).

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

315254403232 is a wasteful number, since it uses less digits than its factorization.

315254403232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404045 (or 404037 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

Adding to 315254403232 its reverse (232304452513), we get a palindrome (547558855745).

The spelling of 315254403232 in words is "three hundred fifteen billion, two hundred fifty-four million, four hundred three thousand, two hundred thirty-two".