311201222327 has 2 divisors, whose sum is σ = 311201222328. Its totient is φ = 311201222326.

The previous prime is 311201222303. The next prime is 311201222329. The reversal of 311201222327 is 723222102113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311201222327 - 2⁶ = 311201222263 is a prime.

Together with 311201222329, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 311201222296 and 311201222305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311201222329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155600611163 + 155600611164.

It is an arithmetic number, because the mean of its divisors is an integer number (155600611164).

Almost surely, 2^311201222327 is an apocalyptic number.

311201222327 is a deficient number, since it is larger than the sum of its proper divisors (1).

311201222327 is an equidigital number, since it uses as much as digits as its factorization.

311201222327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The spelling of 311201222327 in words is "three hundred eleven billion, two hundred one million, two hundred twenty-two thousand, three hundred twenty-seven".