14321220030991 has 2 divisors, whose sum is σ = 14321220030992. Its totient is φ = 14321220030990.

The previous prime is 14321220030989. The next prime is 14321220031147. The reversal of 14321220030991 is 19903002212341.

14321220030991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14321220030991 - 2¹ = 14321220030989 is a prime.

Together with 14321220030989, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14321220030991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14321220000991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7160610015495 + 7160610015496.

It is an arithmetic number, because the mean of its divisors is an integer number (7160610015496).

Almost surely, 2^{14321220030991} is an apocalyptic number.

14321220030991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14321220030991 is an equidigital number, since it uses as much as digits as its factorization.

14321220030991 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 14321220030991 in words is "fourteen trillion, three hundred twenty-one billion, two hundred twenty million, thirty thousand, nine hundred ninety-one".