13231110001 has 4 divisors (see below), whose sum is σ = 13264438132. Its totient is φ = 13197781872.

The previous prime is 13231109987. The next prime is 13231110007. The reversal of 13231110001 is 10001113231.

13231110001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10001113231 = 41 ⋅243929591.

It can be written as a sum of positive squares in 2 ways, for example, as 6978096225 + 6253013776 = 83535^2 + 79076^2 .

It is a cyclic number.

It is not a de Polignac number, because 13231110001 - 2²⁷ = 13096892273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231110007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16663470 + ... + 16664263.

It is an arithmetic number, because the mean of its divisors is an integer number (3316109533).

Almost surely, 2^13231110001 is an apocalyptic number.

It is an amenable number.

13231110001 is a deficient number, since it is larger than the sum of its proper divisors (33328131).

13231110001 is an equidigital number, since it uses as much as digits as its factorization.

13231110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33328130.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13231110001 its reverse (10001113231), we get a palindrome (23232223232).

The spelling of 13231110001 in words is "thirteen billion, two hundred thirty-one million, one hundred ten thousand, one".