311332022377 has 2 divisors, whose sum is σ = 311332022378. Its totient is φ = 311332022376.

The previous prime is 311332022359. The next prime is 311332022387. The reversal of 311332022377 is 773220233113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307563413056 + 3768609321 = 554584^2 + 61389^2 .

It is a cyclic number.

It is not a de Polignac number, because 311332022377 - 2¹⁵ = 311331989609 is a prime.

It is not a weakly prime, because it can be changed into another prime (311332022387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155666011188 + 155666011189.

It is an arithmetic number, because the mean of its divisors is an integer number (155666011189).

Almost surely, 2^311332022377 is an apocalyptic number.

It is an amenable number.

311332022377 is a deficient number, since it is larger than the sum of its proper divisors (1).

311332022377 is an equidigital number, since it uses as much as digits as its factorization.

311332022377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 34.

The spelling of 311332022377 in words is "three hundred eleven billion, three hundred thirty-two million, twenty-two thousand, three hundred seventy-seven".