315322460 has 48 divisors (see below), whose sum is σ = 703606176. Its totient is φ = 118290432.

The previous prime is 315322439. The next prime is 315322471. The reversal of 315322460 is 64223513.

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, 104939 + ... + 107901.

It is an arithmetic number, because the mean of its divisors is an integer number (14658462).

Almost surely, 2^315322460 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 315322460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (351803088).

315322460 is an abundant number, since it is smaller than the sum of its proper divisors (388283716).

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

315322460 is a wasteful number, since it uses less digits than its factorization.

315322460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302 (or 3300 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 315322460 is about 17757.3213069990. The cubic root of 315322460 is about 680.6413067593.

Adding to 315322460 its reverse (64223513), we get a palindrome (379545973).

The spelling of 315322460 in words is "three hundred fifteen million, three hundred twenty-two thousand, four hundred sixty".