13231201311 has 32 divisors (see below), whose sum is σ = 19690174400. Its totient is φ = 8781125760.

The previous prime is 13231201273. The next prime is 13231201327. The reversal of 13231201311 is 11310213231.

It is not a de Polignac number, because 13231201311 - 2¹⁵ = 13231168543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231201211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7598901 + ... + 7600641.

It is an arithmetic number, because the mean of its divisors is an integer number (615317950).

Almost surely, 2^13231201311 is an apocalyptic number.

13231201311 is a deficient number, since it is larger than the sum of its proper divisors (6458973089).

13231201311 is a wasteful number, since it uses less digits than its factorization.

13231201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13231201311 its reverse (11310213231), we get a palindrome (24541414542).

The spelling of 13231201311 in words is "thirteen billion, two hundred thirty-one million, two hundred one thousand, three hundred eleven".