30202331209 has 2 divisors, whose sum is σ = 30202331210. Its totient is φ = 30202331208.

The previous prime is 30202331207. The next prime is 30202331231. The reversal of 30202331209 is 90213320203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26439735609 + 3762595600 = 162603^2 + 61340^2 .

It is a cyclic number.

It is not a de Polignac number, because 30202331209 - 2¹ = 30202331207 is a prime.

Together with 30202331207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30202331207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15101165604 + 15101165605.

It is an arithmetic number, because the mean of its divisors is an integer number (15101165605).

Almost surely, 2^30202331209 is an apocalyptic number.

It is an amenable number.

30202331209 is a deficient number, since it is larger than the sum of its proper divisors (1).

30202331209 is an equidigital number, since it uses as much as digits as its factorization.

30202331209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 25.

The spelling of 30202331209 in words is "thirty billion, two hundred two million, three hundred thirty-one thousand, two hundred nine".