311792111 has 2 divisors, whose sum is σ = 311792112. Its totient is φ = 311792110.

The previous prime is 311792101. The next prime is 311792119. The reversal of 311792111 is 111297113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 311792111 - 2²⁶ = 244683247 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311792119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155896055 + 155896056.

It is an arithmetic number, because the mean of its divisors is an integer number (155896056).

Almost surely, 2^311792111 is an apocalyptic number.

311792111 is a deficient number, since it is larger than the sum of its proper divisors (1).

311792111 is an equidigital number, since it uses as much as digits as its factorization.

311792111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 26.

The square root of 311792111 is about 17657.6360535605. The cubic root of 311792111 is about 678.0916150567.

The spelling of 311792111 in words is "three hundred eleven million, seven hundred ninety-two thousand, one hundred eleven".