13231200013 has 4 divisors (see below), whose sum is σ = 13258823040. Its totient is φ = 13203576988.

The previous prime is 13231199987. The next prime is 13231200019. The reversal of 13231200013 is 31000213231.

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 a de Polignac number, because none of the positive numbers 2^k-13231200013 is a prime.

It is a super-2 number, since 2×13231200013² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13231200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231200019) 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, 13810795 + ... + 13811752.

It is an arithmetic number, because the mean of its divisors is an integer number (3314705760).

Almost surely, 2^13231200013 is an apocalyptic number.

It is an amenable number.

13231200013 is a deficient number, since it is larger than the sum of its proper divisors (27623027).

13231200013 is an equidigital number, since it uses as much as digits as its factorization.

13231200013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27623026.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 13231200013 its reverse (31000213231), we get a palindrome (44231413244).

The spelling of 13231200013 in words is "thirteen billion, two hundred thirty-one million, two hundred thousand, thirteen".