13200431344 has 20 divisors (see below), whose sum is σ = 25666861680. Its totient is φ = 6576725120.

The previous prime is 13200431329. The next prime is 13200431357. The reversal of 13200431344 is 44313400231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463524 + ... + 1472515.

It is an arithmetic number, because the mean of its divisors is an integer number (1283343084).

Almost surely, 2^13200431344 is an apocalyptic number.

It is an amenable number.

13200431344 is a deficient number, since it is larger than the sum of its proper divisors (12466430336).

13200431344 is a wasteful number, since it uses less digits than its factorization.

13200431344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936328 (or 2936322 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13200431344 its reverse (44313400231), we get a palindrome (57513831575).

The spelling of 13200431344 in words is "thirteen billion, two hundred million, four hundred thirty-one thousand, three hundred forty-four".