3231223320191 has 2 divisors, whose sum is σ = 3231223320192. Its totient is φ = 3231223320190.

The previous prime is 3231223320173. The next prime is 3231223320217. The reversal of 3231223320191 is 1910233221323.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3231223320191 is a prime.

It is a super-2 number, since 2×3231223320191² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3231223322191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1615611660095 + 1615611660096.

It is an arithmetic number, because the mean of its divisors is an integer number (1615611660096).

Almost surely, 2^{3231223320191} is an apocalyptic number.

3231223320191 is a deficient number, since it is larger than the sum of its proper divisors (1).

3231223320191 is an equidigital number, since it uses as much as digits as its factorization.

3231223320191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 3231223320191 in words is "three trillion, two hundred thirty-one billion, two hundred twenty-three million, three hundred twenty thousand, one hundred ninety-one".