31141232112191 has 2 divisors, whose sum is σ = 31141232112192. Its totient is φ = 31141232112190.

The previous prime is 31141232112143. The next prime is 31141232112251. The reversal of 31141232112191 is 19121123214113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31141232112191 - 2¹⁴ = 31141232095807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31141232114191) 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, 15570616056095 + 15570616056096.

It is an arithmetic number, because the mean of its divisors is an integer number (15570616056096).

Almost surely, 2^{31141232112191} is an apocalyptic number.

31141232112191 is a deficient number, since it is larger than the sum of its proper divisors (1).

31141232112191 is an equidigital number, since it uses as much as digits as its factorization.

31141232112191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 32.

The spelling of 31141232112191 in words is "thirty-one trillion, one hundred forty-one billion, two hundred thirty-two million, one hundred twelve thousand, one hundred ninety-one".