13231311201 has 20 divisors (see below), whose sum is σ = 20089320724. Its totient is φ = 8676266400.

The previous prime is 13231311077. The next prime is 13231311211. The reversal of 13231311201 is 10211313231.

It can be written as a sum of positive squares in 2 ways, for example, as 2211350625 + 11019960576 = 47025^2 + 104976^2 .

It is not a de Polignac number, because 13231311201 - 2¹⁵ = 13231278433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231311211) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1333990 + ... + 1343871.

Almost surely, 2^13231311201 is an apocalyptic number.

It is an amenable number.

13231311201 is a deficient number, since it is larger than the sum of its proper divisors (6858009523).

13231311201 is an equidigital number, since it uses as much as digits as its factorization.

13231311201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2677934 (or 2677925 counting only the distinct ones).

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

Adding to 13231311201 its reverse (10211313231), we get a palindrome (23442624432).

The spelling of 13231311201 in words is "thirteen billion, two hundred thirty-one million, three hundred eleven thousand, two hundred one".