13311101321 has 12 divisors (see below), whose sum is σ = 15495633540. Its totient is φ = 11401195680.

The previous prime is 13311101317. The next prime is 13311101327. The reversal of 13311101321 is 12310111331.

It can be written as a sum of positive squares in 2 ways, for example, as 1990141321 + 11320960000 = 44611^2 + 106400^2 .

It is not a de Polignac number, because 13311101321 - 2² = 13311101317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13311101321.

It is not an unprimeable number, because it can be changed into a prime (13311101327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30686 + ... + 166023.

It is an arithmetic number, because the mean of its divisors is an integer number (1291302795).

Almost surely, 2^13311101321 is an apocalyptic number.

It is an amenable number.

13311101321 is a deficient number, since it is larger than the sum of its proper divisors (2184532219).

13311101321 is a wasteful number, since it uses less digits than its factorization.

13311101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198104 (or 198097 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 13311101321 its reverse (12310111331), we get a palindrome (25621212652).

The spelling of 13311101321 in words is "thirteen billion, three hundred eleven million, one hundred one thousand, three hundred twenty-one".