30323931709 has 2 divisors, whose sum is σ = 30323931710. Its totient is φ = 30323931708.

The previous prime is 30323931707. The next prime is 30323931721. The reversal of 30323931709 is 90713932303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30294446809 + 29484900 = 174053^2 + 5430^2 .

It is an emirp because it is prime and its reverse (90713932303) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30323931709 - 2¹ = 30323931707 is a prime.

Together with 30323931707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30323931707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15161965854 + 15161965855.

It is an arithmetic number, because the mean of its divisors is an integer number (15161965855).

Almost surely, 2^30323931709 is an apocalyptic number.

It is an amenable number.

30323931709 is a deficient number, since it is larger than the sum of its proper divisors (1).

30323931709 is an equidigital number, since it uses as much as digits as its factorization.

30323931709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 40.

The spelling of 30323931709 in words is "thirty billion, three hundred twenty-three million, nine hundred thirty-one thousand, seven hundred nine".