321333120049 has 2 divisors, whose sum is σ = 321333120050. Its totient is φ = 321333120048.

The previous prime is 321333120023. The next prime is 321333120061. The reversal of 321333120049 is 940021333123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256947610000 + 64385510049 = 506900^2 + 253743^2 .

It is a cyclic number.

It is not a de Polignac number, because 321333120049 - 2³³ = 312743185457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321333120049.

It is not a weakly prime, because it can be changed into another prime (321333120349) 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, 160666560024 + 160666560025.

It is an arithmetic number, because the mean of its divisors is an integer number (160666560025).

Almost surely, 2^321333120049 is an apocalyptic number.

It is an amenable number.

321333120049 is a deficient number, since it is larger than the sum of its proper divisors (1).

321333120049 is an equidigital number, since it uses as much as digits as its factorization.

321333120049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 321333120049 in words is "three hundred twenty-one billion, three hundred thirty-three million, one hundred twenty thousand, forty-nine".