30501200209 has 2 divisors, whose sum is σ = 30501200210. Its totient is φ = 30501200208.

The previous prime is 30501200189. The next prime is 30501200263. The reversal of 30501200209 is 90200210503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29731415184 + 769785025 = 172428^2 + 27745^2 .

It is a cyclic number.

It is not a de Polignac number, because 30501200209 - 2¹⁹ = 30500675921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30501200209.

It is not a weakly prime, because it can be changed into another prime (30201200209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15250600104 + 15250600105.

It is an arithmetic number, because the mean of its divisors is an integer number (15250600105).

Almost surely, 2^30501200209 is an apocalyptic number.

It is an amenable number.

30501200209 is a deficient number, since it is larger than the sum of its proper divisors (1).

30501200209 is an equidigital number, since it uses as much as digits as its factorization.

30501200209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The spelling of 30501200209 in words is "thirty billion, five hundred one million, two hundred thousand, two hundred nine".