311103122969 has 2 divisors, whose sum is σ = 311103122970. Its totient is φ = 311103122968.

The previous prime is 311103122929. The next prime is 311103123011. The reversal of 311103122969 is 969221301113.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177211531225 + 133891591744 = 420965^2 + 365912^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311103122969 is a prime.

It is a super-2 number, since 2×311103122969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (311103122929) 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, 155551561484 + 155551561485.

It is an arithmetic number, because the mean of its divisors is an integer number (155551561485).

Almost surely, 2^311103122969 is an apocalyptic number.

It is an amenable number.

311103122969 is a deficient number, since it is larger than the sum of its proper divisors (1).

311103122969 is an equidigital number, since it uses as much as digits as its factorization.

311103122969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 38.

The spelling of 311103122969 in words is "three hundred eleven billion, one hundred three million, one hundred twenty-two thousand, nine hundred sixty-nine".