311433220099 has 2 divisors, whose sum is σ = 311433220100. Its totient is φ = 311433220098.

The previous prime is 311433220039. The next prime is 311433220171. The reversal of 311433220099 is 990022334113.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 311433220099 - 2²³ = 311424831491 is a prime.

It is not a weakly prime, because it can be changed into another prime (311433220019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155716610049 + 155716610050.

It is an arithmetic number, because the mean of its divisors is an integer number (155716610050).

Almost surely, 2^311433220099 is an apocalyptic number.

311433220099 is a deficient number, since it is larger than the sum of its proper divisors (1).

311433220099 is an equidigital number, since it uses as much as digits as its factorization.

311433220099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The spelling of 311433220099 in words is "three hundred eleven billion, four hundred thirty-three million, two hundred twenty thousand, ninety-nine".