311111119271 has 2 divisors, whose sum is σ = 311111119272. Its totient is φ = 311111119270.

The previous prime is 311111119259. The next prime is 311111119279. The reversal of 311111119271 is 172911111113.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311111119271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311111119279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155555559635 + 155555559636.

It is an arithmetic number, because the mean of its divisors is an integer number (155555559636).

Almost surely, 2^311111119271 is an apocalyptic number.

311111119271 is a deficient number, since it is larger than the sum of its proper divisors (1).

311111119271 is an equidigital number, since it uses as much as digits as its factorization.

311111119271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 29.

The spelling of 311111119271 in words is "three hundred eleven billion, one hundred eleven million, one hundred nineteen thousand, two hundred seventy-one".