311330200021229 has 2 divisors, whose sum is σ = 311330200021230. Its totient is φ = 311330200021228.

The previous prime is 311330200021199. The next prime is 311330200021241. The reversal of 311330200021229 is 922120002033113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179342316015625 + 131987884005604 = 13391875^2 + 11488598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-311330200021229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (311330200026229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155665100010614 + 155665100010615.

It is an arithmetic number, because the mean of its divisors is an integer number (155665100010615).

Almost surely, 2^{311330200021229} is an apocalyptic number.

It is an amenable number.

311330200021229 is a deficient number, since it is larger than the sum of its proper divisors (1).

311330200021229 is an equidigital number, since it uses as much as digits as its factorization.

311330200021229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 311330200021229 in words is "three hundred eleven trillion, three hundred thirty billion, two hundred million, twenty-one thousand, two hundred twenty-nine".