321430111413391 has 2 divisors, whose sum is σ = 321430111413392. Its totient is φ = 321430111413390.

The previous prime is 321430111413317. The next prime is 321430111413403. The reversal of 321430111413391 is 193314111034123.

It is a strong prime.

It is an emirp because it is prime and its reverse (193314111034123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321430111413391 - 2⁴⁷ = 180692623058063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321430111413391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321430111413991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160715055706695 + 160715055706696.

It is an arithmetic number, because the mean of its divisors is an integer number (160715055706696).

Almost surely, 2^{321430111413391} is an apocalyptic number.

321430111413391 is a deficient number, since it is larger than the sum of its proper divisors (1).

321430111413391 is an equidigital number, since it uses as much as digits as its factorization.

321430111413391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The spelling of 321430111413391 in words is "three hundred twenty-one trillion, four hundred thirty billion, one hundred eleven million, four hundred thirteen thousand, three hundred ninety-one".