30223010309 has 2 divisors, whose sum is σ = 30223010310. Its totient is φ = 30223010308.

The previous prime is 30223010299. The next prime is 30223010317. The reversal of 30223010309 is 90301032203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24933357409 + 5289652900 = 157903^2 + 72730^2 .

It is an emirp because it is prime and its reverse (90301032203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30223010309 - 2²⁰ = 30221961733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30223010399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111505154 + 15111505155.

It is an arithmetic number, because the mean of its divisors is an integer number (15111505155).

Almost surely, 2^30223010309 is an apocalyptic number.

It is an amenable number.

30223010309 is a deficient number, since it is larger than the sum of its proper divisors (1).

30223010309 is an equidigital number, since it uses as much as digits as its factorization.

30223010309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The spelling of 30223010309 in words is "thirty billion, two hundred twenty-three million, ten thousand, three hundred nine".