315400332 has 48 divisors (see below), whose sum is σ = 802126080. Its totient is φ = 95873088.

The previous prime is 315400291. The next prime is 315400343. The reversal of 315400332 is 233004513.

It is a junction number, because it is equal to n+sod(n) for n = 315400299 and 315400308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 769 + ... + 25127.

It is an arithmetic number, because the mean of its divisors is an integer number (16710960).

Almost surely, 2^315400332 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 315400332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401063040).

315400332 is an abundant number, since it is smaller than the sum of its proper divisors (486725748).

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

315400332 is a wasteful number, since it uses less digits than its factorization.

315400332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24462 (or 24460 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 315400332 is about 17759.5138446974. The cubic root of 315400332 is about 680.6973325149.

Adding to 315400332 its reverse (233004513), we get a palindrome (548404845).

The spelling of 315400332 in words is "three hundred fifteen million, four hundred thousand, three hundred thirty-two".