311231011100959 has 2 divisors, whose sum is σ = 311231011100960. Its totient is φ = 311231011100958.

The previous prime is 311231011100939. The next prime is 311231011100993. The reversal of 311231011100959 is 959001110132113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311231011100959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311231011100909) 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, 155615505550479 + 155615505550480.

It is an arithmetic number, because the mean of its divisors is an integer number (155615505550480).

Almost surely, 2^{311231011100959} is an apocalyptic number.

311231011100959 is a deficient number, since it is larger than the sum of its proper divisors (1).

311231011100959 is an equidigital number, since it uses as much as digits as its factorization.

311231011100959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 37.

The spelling of 311231011100959 in words is "three hundred eleven trillion, two hundred thirty-one billion, eleven million, one hundred thousand, nine hundred fifty-nine".