311112122093 has 2 divisors, whose sum is σ = 311112122094. Its totient is φ = 311112122092.

The previous prime is 311112122063. The next prime is 311112122129. The reversal of 311112122093 is 390221211113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231901959844 + 79210162249 = 481562^2 + 281443^2 .

It is a cyclic number.

It is not a de Polignac number, because 311112122093 - 2¹⁰ = 311112121069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311112122063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155556061046 + 155556061047.

It is an arithmetic number, because the mean of its divisors is an integer number (155556061047).

Almost surely, 2^311112122093 is an apocalyptic number.

It is an amenable number.

311112122093 is a deficient number, since it is larger than the sum of its proper divisors (1).

311112122093 is an equidigital number, since it uses as much as digits as its factorization.

311112122093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 311112122093 in words is "three hundred eleven billion, one hundred twelve million, one hundred twenty-two thousand, ninety-three".