30430232309 has 2 divisors, whose sum is σ = 30430232310. Its totient is φ = 30430232308.

The previous prime is 30430232279. The next prime is 30430232321. The reversal of 30430232309 is 90323203403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22659280900 + 7770951409 = 150530^2 + 88153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30430232309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30430232909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15215116154 + 15215116155.

It is an arithmetic number, because the mean of its divisors is an integer number (15215116155).

Almost surely, 2^30430232309 is an apocalyptic number.

It is an amenable number.

30430232309 is a deficient number, since it is larger than the sum of its proper divisors (1).

30430232309 is an equidigital number, since it uses as much as digits as its factorization.

30430232309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 29.

The spelling of 30430232309 in words is "thirty billion, four hundred thirty million, two hundred thirty-two thousand, three hundred nine".