2322131211991 has 2 divisors, whose sum is σ = 2322131211992. Its totient is φ = 2322131211990.

The previous prime is 2322131211977. The next prime is 2322131212003. The reversal of 2322131211991 is 1991121312232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2322131211991 - 2²⁷ = 2321996994263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2322131211991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2322131211391) 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, 1161065605995 + 1161065605996.

It is an arithmetic number, because the mean of its divisors is an integer number (1161065605996).

Almost surely, 2^{2322131211991} is an apocalyptic number.

2322131211991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2322131211991 is an equidigital number, since it uses as much as digits as its factorization.

2322131211991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 37.

The spelling of 2322131211991 in words is "two trillion, three hundred twenty-two billion, one hundred thirty-one million, two hundred eleven thousand, nine hundred ninety-one".