315201320 has 48 divisors (see below), whose sum is σ = 824996340. Its totient is φ = 108068352.

The previous prime is 315201283. The next prime is 315201323. The reversal of 315201320 is 23102513.

It can be written as a sum of positive squares in 2 ways, for example, as 285542404 + 29658916 = 16898^2 + 5446^2 .

It is not an unprimeable number, because it can be changed into a prime (315201323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78449 + ... + 82368.

Almost surely, 2^315201320 is an apocalyptic number.

It is an amenable number.

315201320 is an abundant number, since it is smaller than the sum of its proper divisors (509795020).

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

315201320 is a wasteful number, since it uses less digits than its factorization.

315201320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160842 (or 160831 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 315201320 is about 17753.9099918863. The cubic root of 315201320 is about 680.5541330885.

Adding to 315201320 its reverse (23102513), we get a palindrome (338303833).

The spelling of 315201320 in words is "three hundred fifteen million, two hundred one thousand, three hundred twenty".