13311320311 has 8 divisors (see below), whose sum is σ = 14152151520. Its totient is φ = 12492328992.

The previous prime is 13311320293. The next prime is 13311320369. The reversal of 13311320311 is 11302311331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13311320311 - 2¹⁵ = 13311287543 is a prime.

It is a super-2 number, since 2×13311320311² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311320381) 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, 5458716 + ... + 5461153.

It is an arithmetic number, because the mean of its divisors is an integer number (1769018940).

Almost surely, 2^13311320311 is an apocalyptic number.

13311320311 is a deficient number, since it is larger than the sum of its proper divisors (840831209).

13311320311 is a wasteful number, since it uses less digits than its factorization.

13311320311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10919945.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13311320311 its reverse (11302311331), we get a palindrome (24613631642).

The spelling of 13311320311 in words is "thirteen billion, three hundred eleven million, three hundred twenty thousand, three hundred eleven".