30321130423889 has 2 divisors, whose sum is σ = 30321130423890. Its totient is φ = 30321130423888.

The previous prime is 30321130423807. The next prime is 30321130423891. The reversal of 30321130423889 is 98832403112303.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23838464476225 + 6482665947664 = 4882465^2 + 2546108^2 .

It is a cyclic number.

It is not a de Polignac number, because 30321130423889 - 2²⁸ = 30320861988433 is a prime.

Together with 30321130423891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30321130423289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160565211944 + 15160565211945.

It is an arithmetic number, because the mean of its divisors is an integer number (15160565211945).

Almost surely, 2^{30321130423889} is an apocalyptic number.

It is an amenable number.

30321130423889 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321130423889 is an equidigital number, since it uses as much as digits as its factorization.

30321130423889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 47.

The spelling of 30321130423889 in words is "thirty trillion, three hundred twenty-one billion, one hundred thirty million, four hundred twenty-three thousand, eight hundred eighty-nine".