13221342324243 has 6 divisors (see below), whose sum is σ = 19097494468364. Its totient is φ = 8814228216156.

The previous prime is 13221342324233. The next prime is 13221342324257. The reversal of 13221342324243 is 34242324312231.

13221342324243 is a `hidden beast` number, since 1 + 3 + 221 + 3 + 4 + 2 + 3 + 2 + 424 + 3 = 666.

It is not a de Polignac number, because 13221342324243 - 2⁴ = 13221342324227 is a prime.

It is a super-3 number, since 3×13221342324243³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13221342324198 and 13221342324207.

It is not an unprimeable number, because it can be changed into a prime (13221342324233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 734519018005 + ... + 734519018022.

Almost surely, 2^{13221342324243} is an apocalyptic number.

13221342324243 is a deficient number, since it is larger than the sum of its proper divisors (5876152144121).

13221342324243 is a wasteful number, since it uses less digits than its factorization.

13221342324243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469038036033 (or 1469038036030 counting only the distinct ones).

The product of its digits is 165888, while the sum is 36.

Adding to 13221342324243 its reverse (34242324312231), we get a palindrome (47463666636474).

The spelling of 13221342324243 in words is "thirteen trillion, two hundred twenty-one billion, three hundred forty-two million, three hundred twenty-four thousand, two hundred forty-three".