13311031321312 has 48 divisors (see below), whose sum is σ = 26250844435200. Its totient is φ = 6644154052480.

The previous prime is 13311031321213. The next prime is 13311031321331. The reversal of 13311031321312 is 21312313011331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116327487 + ... + 116441857.

It is an arithmetic number, because the mean of its divisors is an integer number (546892592400).

Almost surely, 2^{13311031321312} is an apocalyptic number.

It is an amenable number.

13311031321312 is a deficient number, since it is larger than the sum of its proper divisors (12939813113888).

13311031321312 is a wasteful number, since it uses less digits than its factorization.

13311031321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120559 (or 120551 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 13311031321312 its reverse (21312313011331), we get a palindrome (34623344332643).

The spelling of 13311031321312 in words is "thirteen trillion, three hundred eleven billion, thirty-one million, three hundred twenty-one thousand, three hundred twelve".