311112404211163 has 2 divisors, whose sum is σ = 311112404211164. Its totient is φ = 311112404211162.

The previous prime is 311112404211157. The next prime is 311112404211181. The reversal of 311112404211163 is 361112404211113.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311112404211163 is a prime.

It is not a weakly prime, because it can be changed into another prime (311112404281163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155556202105581 + 155556202105582.

It is an arithmetic number, because the mean of its divisors is an integer number (155556202105582).

Almost surely, 2^{311112404211163} is an apocalyptic number.

311112404211163 is a deficient number, since it is larger than the sum of its proper divisors (1).

311112404211163 is an equidigital number, since it uses as much as digits as its factorization.

311112404211163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

Adding to 311112404211163 its reverse (361112404211113), we get a palindrome (672224808422276).

The spelling of 311112404211163 in words is "three hundred eleven trillion, one hundred twelve billion, four hundred four million, two hundred eleven thousand, one hundred sixty-three".