13221130031999 has 2 divisors, whose sum is σ = 13221130032000. Its totient is φ = 13221130031998.

The previous prime is 13221130031953. The next prime is 13221130032031. The reversal of 13221130031999 is 99913003112231.

It is a strong prime.

It is an emirp because it is prime and its reverse (99913003112231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13221130031999 - 2²⁰ = 13221128983423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13221130031899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6610565015999 + 6610565016000.

It is an arithmetic number, because the mean of its divisors is an integer number (6610565016000).

Almost surely, 2^{13221130031999} is an apocalyptic number.

13221130031999 is a deficient number, since it is larger than the sum of its proper divisors (1).

13221130031999 is an equidigital number, since it uses as much as digits as its factorization.

13221130031999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 13221130031999 in words is "thirteen trillion, two hundred twenty-one billion, one hundred thirty million, thirty-one thousand, nine hundred ninety-nine".