30310232009 has 2 divisors, whose sum is σ = 30310232010. Its totient is φ = 30310232008.

The previous prime is 30310231993. The next prime is 30310232039. The reversal of 30310232009 is 90023201303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22294969225 + 8015262784 = 149315^2 + 89528^2 .

It is a cyclic number.

It is not a de Polignac number, because 30310232009 - 2⁴ = 30310231993 is a prime.

It is not a weakly prime, because it can be changed into another prime (30310232039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15155116004 + 15155116005.

It is an arithmetic number, because the mean of its divisors is an integer number (15155116005).

Almost surely, 2^30310232009 is an apocalyptic number.

It is an amenable number.

30310232009 is a deficient number, since it is larger than the sum of its proper divisors (1).

30310232009 is an equidigital number, since it uses as much as digits as its factorization.

30310232009 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 30310232009 in words is "thirty billion, three hundred ten million, two hundred thirty-two thousand, nine".