311133212227 has 2 divisors, whose sum is σ = 311133212228. Its totient is φ = 311133212226.

The previous prime is 311133212129. The next prime is 311133212323. The reversal of 311133212227 is 722212331113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311133212227 - 2²³ = 311124823619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 311133212195 and 311133212204.

It is not a weakly prime, because it can be changed into another prime (311133212627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155566606113 + 155566606114.

It is an arithmetic number, because the mean of its divisors is an integer number (155566606114).

Almost surely, 2^311133212227 is an apocalyptic number.

311133212227 is a deficient number, since it is larger than the sum of its proper divisors (1).

311133212227 is an equidigital number, since it uses as much as digits as its factorization.

311133212227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 28.

The spelling of 311133212227 in words is "three hundred eleven billion, one hundred thirty-three million, two hundred twelve thousand, two hundred twenty-seven".