13221231313141 has 4 divisors (see below), whose sum is σ = 13917085592800. Its totient is φ = 12525377033484.

The previous prime is 13221231313099. The next prime is 13221231313177. The reversal of 13221231313141 is 14131313212231.

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 13221231313141 - 2¹⁵ = 13221231280373 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 (13221231113141) 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, 347927139801 + ... + 347927139838.

It is an arithmetic number, because the mean of its divisors is an integer number (3479271398200).

Almost surely, 2^{13221231313141} is an apocalyptic number.

It is an amenable number.

13221231313141 is a deficient number, since it is larger than the sum of its proper divisors (695854279659).

13221231313141 is an equidigital number, since it uses as much as digits as its factorization.

13221231313141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695854279658.

The product of its digits is 2592, while the sum is 28.

Adding to 13221231313141 its reverse (14131313212231), we get a palindrome (27352544525372).

The spelling of 13221231313141 in words is "thirteen trillion, two hundred twenty-one billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred forty-one".