30523336205 has 16 divisors (see below), whose sum is σ = 38786914800. Its totient is φ = 22979715072.

The previous prime is 30523336183. The next prime is 30523336229. The reversal of 30523336205 is 50263332503.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 626851369 + 29896484836 = 25037^2 + 172906^2 .

It is a cyclic number.

It is not a de Polignac number, because 30523336205 - 2²⁶ = 30456227341 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1140821 + ... + 1167269.

It is an arithmetic number, because the mean of its divisors is an integer number (2424182175).

Almost surely, 2^30523336205 is an apocalyptic number.

It is an amenable number.

30523336205 is a deficient number, since it is larger than the sum of its proper divisors (8263578595).

30523336205 is a wasteful number, since it uses less digits than its factorization.

30523336205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40048.

The product of its (nonzero) digits is 48600, while the sum is 32.

Adding to 30523336205 its reverse (50263332503), we get a palindrome (80786668708).

The spelling of 30523336205 in words is "thirty billion, five hundred twenty-three million, three hundred thirty-six thousand, two hundred five".