13312200320 has 32 divisors (see below), whose sum is σ = 31824480420. Its totient is φ = 5324879872.

The previous prime is 13312200311. The next prime is 13312200359. The reversal of 13312200320 is 2300221331.

It can be written as a sum of positive squares in 2 ways, for example, as 10820992576 + 2491207744 = 104024^2 + 49912^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 10399517 + ... + 10400796.

Almost surely, 2^13312200320 is an apocalyptic number.

13312200320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13312200320 is an abundant number, since it is smaller than the sum of its proper divisors (18512280100).

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

13312200320 is an equidigital number, since it uses as much as digits as its factorization.

13312200320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20800332 (or 20800320 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13312200320 its reverse (2300221331), we get a palindrome (15612421651).

The spelling of 13312200320 in words is "thirteen billion, three hundred twelve million, two hundred thousand, three hundred twenty".