311230112077 has 2 divisors, whose sum is σ = 311230112078. Its totient is φ = 311230112076.

The previous prime is 311230112021. The next prime is 311230112107. The reversal of 311230112077 is 770211032113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 223219396521 + 88010715556 = 472461^2 + 296666^2 .

It is an emirp because it is prime and its reverse (770211032113) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 311230112077 - 2¹⁹ = 311229587789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311230182077) 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, 155615056038 + 155615056039.

It is an arithmetic number, because the mean of its divisors is an integer number (155615056039).

Almost surely, 2^311230112077 is an apocalyptic number.

It is an amenable number.

311230112077 is a deficient number, since it is larger than the sum of its proper divisors (1).

311230112077 is an equidigital number, since it uses as much as digits as its factorization.

311230112077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 28.

The spelling of 311230112077 in words is "three hundred eleven billion, two hundred thirty million, one hundred twelve thousand, seventy-seven".