315342320 has 40 divisors (see below), whose sum is σ = 739680336. Its totient is φ = 125017088.

The previous prime is 315342319. The next prime is 315342329. The reversal of 315342320 is 23243513.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315342329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8402 + ... + 26481.

Almost surely, 2^315342320 is an apocalyptic number.

It is an amenable number.

315342320 is an abundant number, since it is smaller than the sum of its proper divisors (424338016).

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

315342320 is a wasteful number, since it uses less digits than its factorization.

315342320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35009 (or 35003 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 315342320 is about 17757.8805041593. The cubic root of 315342320 is about 680.6555961026.

Adding to 315342320 its reverse (23243513), we get a palindrome (338585833).

The spelling of 315342320 in words is "three hundred fifteen million, three hundred forty-two thousand, three hundred twenty".