321230113279 has 2 divisors, whose sum is σ = 321230113280. Its totient is φ = 321230113278.

The previous prime is 321230113219. The next prime is 321230113327. The reversal of 321230113279 is 972311032123.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 321230113279 - 2²³ = 321221724671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321230113219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160615056639 + 160615056640.

It is an arithmetic number, because the mean of its divisors is an integer number (160615056640).

Almost surely, 2^321230113279 is an apocalyptic number.

321230113279 is a deficient number, since it is larger than the sum of its proper divisors (1).

321230113279 is an equidigital number, since it uses as much as digits as its factorization.

321230113279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 321230113279 in words is "three hundred twenty-one billion, two hundred thirty million, one hundred thirteen thousand, two hundred seventy-nine".