30505441217 has 2 divisors, whose sum is σ = 30505441218. Its totient is φ = 30505441216.

The previous prime is 30505441207. The next prime is 30505441409. The reversal of 30505441217 is 71214450503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28321187521 + 2184253696 = 168289^2 + 46736^2 .

It is a cyclic number.

It is not a de Polignac number, because 30505441217 - 2⁸ = 30505440961 is a prime.

It is not a weakly prime, because it can be changed into another prime (30505441207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15252720608 + 15252720609.

It is an arithmetic number, because the mean of its divisors is an integer number (15252720609).

Almost surely, 2^30505441217 is an apocalyptic number.

It is an amenable number.

30505441217 is a deficient number, since it is larger than the sum of its proper divisors (1).

30505441217 is an equidigital number, since it uses as much as digits as its factorization.

30505441217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 30505441217 in words is "thirty billion, five hundred five million, four hundred forty-one thousand, two hundred seventeen".