311230100112389 has 2 divisors, whose sum is σ = 311230100112390. Its totient is φ = 311230100112388.

The previous prime is 311230100112319. The next prime is 311230100112391. The reversal of 311230100112389 is 983211001032113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 303066839704225 + 8163260408164 = 17408815^2 + 2857142^2 .

It is a cyclic number.

It is not a de Polignac number, because 311230100112389 - 2⁸ = 311230100112133 is a prime.

Together with 311230100112391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311230100112319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155615050056194 + 155615050056195.

It is an arithmetic number, because the mean of its divisors is an integer number (155615050056195).

Almost surely, 2^{311230100112389} is an apocalyptic number.

It is an amenable number.

311230100112389 is a deficient number, since it is larger than the sum of its proper divisors (1).

311230100112389 is an equidigital number, since it uses as much as digits as its factorization.

311230100112389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 311230100112389 in words is "three hundred eleven trillion, two hundred thirty billion, one hundred million, one hundred twelve thousand, three hundred eighty-nine".