13321343312 has 40 divisors (see below), whose sum is σ = 26669126400. Its totient is φ = 6439415040.

The previous prime is 13321343267. The next prime is 13321343317. The reversal of 13321343312 is 21334312331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321343317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507503 + ... + 533105.

It is an arithmetic number, because the mean of its divisors is an integer number (666728160).

Almost surely, 2^13321343312 is an apocalyptic number.

It is an amenable number.

13321343312 is an abundant number, since it is smaller than the sum of its proper divisors (13347783088).

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

13321343312 is a wasteful number, since it uses less digits than its factorization.

13321343312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26691 (or 26685 counting only the distinct ones).

The product of its digits is 3888, while the sum is 26.

Adding to 13321343312 its reverse (21334312331), we get a palindrome (34655655643).

The spelling of 13321343312 in words is "thirteen billion, three hundred twenty-one million, three hundred forty-three thousand, three hundred twelve".