321330121139 has 2 divisors, whose sum is σ = 321330121140. Its totient is φ = 321330121138.

The previous prime is 321330121109. The next prime is 321330121157. The reversal of 321330121139 is 931121033123.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321330121139 is a prime.

It is not a weakly prime, because it can be changed into another prime (321330121109) 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, 160665060569 + 160665060570.

It is an arithmetic number, because the mean of its divisors is an integer number (160665060570).

Almost surely, 2^321330121139 is an apocalyptic number.

321330121139 is a deficient number, since it is larger than the sum of its proper divisors (1).

321330121139 is an equidigital number, since it uses as much as digits as its factorization.

321330121139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 29.

The spelling of 321330121139 in words is "three hundred twenty-one billion, three hundred thirty million, one hundred twenty-one thousand, one hundred thirty-nine".