13031221321199 has 8 divisors (see below), whose sum is σ = 13090333718592. Its totient is φ = 12972136141440.

The previous prime is 13031221321189. The next prime is 13031221321213. The reversal of 13031221321199 is 99112312213031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13031221321199 - 2³⁶ = 12962501844463 is a prime.

It is a super-2 number, since 2×13031221321199² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13031221321189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5844374 + ... + 7760099.

It is an arithmetic number, because the mean of its divisors is an integer number (1636291714824).

Almost surely, 2^{13031221321199} is an apocalyptic number.

13031221321199 is a deficient number, since it is larger than the sum of its proper divisors (59112397393).

13031221321199 is a wasteful number, since it uses less digits than its factorization.

13031221321199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13608817.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 13031221321199 in words is "thirteen trillion, thirty-one billion, two hundred twenty-one million, three hundred twenty-one thousand, one hundred ninety-nine".