311312133199 has 2 divisors, whose sum is σ = 311312133200. Its totient is φ = 311312133198.

The previous prime is 311312133103. The next prime is 311312133211. The reversal of 311312133199 is 991331213113.

It is a strong prime.

It is an emirp because it is prime and its reverse (991331213113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311312133199 - 2⁹ = 311312132687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311312133799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155656066599 + 155656066600.

It is an arithmetic number, because the mean of its divisors is an integer number (155656066600).

Almost surely, 2^311312133199 is an apocalyptic number.

311312133199 is a deficient number, since it is larger than the sum of its proper divisors (1).

311312133199 is an equidigital number, since it uses as much as digits as its factorization.

311312133199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 37.

The spelling of 311312133199 in words is "three hundred eleven billion, three hundred twelve million, one hundred thirty-three thousand, one hundred ninety-nine".