315323616 has 96 divisors (see below), whose sum is σ = 885554208. Its totient is φ = 97894400.

The previous prime is 315323609. The next prime is 315323621. The reversal of 315323616 is 616323513.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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, 163876 + ... + 165788.

It is an arithmetic number, because the mean of its divisors is an integer number (9224523).

Almost surely, 2^315323616 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 315323616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442777104).

315323616 is an abundant number, since it is smaller than the sum of its proper divisors (570230592).

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

315323616 is a wasteful number, since it uses less digits than its factorization.

315323616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044 (or 2036 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 315323616 is about 17757.3538569236. The cubic root of 315323616 is about 680.6421385220.

The spelling of 315323616 in words is "three hundred fifteen million, three hundred twenty-three thousand, six hundred sixteen".