13424542221331 has 2 divisors, whose sum is σ = 13424542221332. Its totient is φ = 13424542221330.

The previous prime is 13424542221329. The next prime is 13424542221367. The reversal of 13424542221331 is 13312224542431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13424542221331 - 2¹ = 13424542221329 is a prime.

It is a super-2 number, since 2×13424542221331² (a number of 27 digits) contains 22 as substring.

Together with 13424542221329, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13424542221301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6712271110665 + 6712271110666.

It is an arithmetic number, because the mean of its divisors is an integer number (6712271110666).

Almost surely, 2^{13424542221331} is an apocalyptic number.

13424542221331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13424542221331 is an equidigital number, since it uses as much as digits as its factorization.

13424542221331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 37.

Adding to 13424542221331 its reverse (13312224542431), we get a palindrome (26736766763762).

The spelling of 13424542221331 in words is "thirteen trillion, four hundred twenty-four billion, five hundred forty-two million, two hundred twenty-one thousand, three hundred thirty-one".