13223020031191 has 2 divisors, whose sum is σ = 13223020031192. Its totient is φ = 13223020031190.

The previous prime is 13223020031141. The next prime is 13223020031239. The reversal of 13223020031191 is 19113002032231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13223020031191 - 2⁷ = 13223020031063 is a prime.

It is a super-2 number, since 2×13223020031191² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13223020031141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611510015595 + 6611510015596.

It is an arithmetic number, because the mean of its divisors is an integer number (6611510015596).

Almost surely, 2^{13223020031191} is an apocalyptic number.

13223020031191 is a deficient number, since it is larger than the sum of its proper divisors (1).

13223020031191 is an equidigital number, since it uses as much as digits as its factorization.

13223020031191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The spelling of 13223020031191 in words is "thirteen trillion, two hundred twenty-three billion, twenty million, thirty-one thousand, one hundred ninety-one".