13321316312 has 64 divisors (see below), whose sum is σ = 25982880000. Its totient is φ = 6397750656.

The previous prime is 13321316291. The next prime is 13321316317. The reversal of 13321316312 is 21361312331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321316317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8186843 + ... + 8188469.

It is an arithmetic number, because the mean of its divisors is an integer number (405982500).

Almost surely, 2^13321316312 is an apocalyptic number.

It is an amenable number.

13321316312 is a deficient number, since it is larger than the sum of its proper divisors (12661563688).

13321316312 is a wasteful number, since it uses less digits than its factorization.

13321316312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008 (or 2004 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

Adding to 13321316312 its reverse (21361312331), we get a palindrome (34682628643).

The spelling of 13321316312 in words is "thirteen billion, three hundred twenty-one million, three hundred sixteen thousand, three hundred twelve".