13231320112001 has 4 divisors (see below), whose sum is σ = 13251397988400. Its totient is φ = 13211242235604.

The previous prime is 13231320111979. The next prime is 13231320112013. The reversal of 13231320112001 is 10021102313231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13231320112001 - 2¹⁰ = 13231320110977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13231320115001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10038937211 + ... + 10038938528.

It is an arithmetic number, because the mean of its divisors is an integer number (3312849497100).

Almost surely, 2^{13231320112001} is an apocalyptic number.

It is an amenable number.

13231320112001 is a deficient number, since it is larger than the sum of its proper divisors (20077876399).

13231320112001 is an equidigital number, since it uses as much as digits as its factorization.

13231320112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20077876398.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13231320112001 its reverse (10021102313231), we get a palindrome (23252422425232).

The spelling of 13231320112001 in words is "thirteen trillion, two hundred thirty-one billion, three hundred twenty million, one hundred twelve thousand, one".