30320116605 has 48 divisors (see below), whose sum is σ = 52891363200. Its totient is φ = 16067424384.

The previous prime is 30320116601. The next prime is 30320116633. The reversal of 30320116605 is 50661102303.

30320116605 is a `hidden beast` number, since 30 + 3 + 20 + 1 + 1 + 6 + 605 = 666.

It is not a de Polignac number, because 30320116605 - 2² = 30320116601 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320116601) 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 in 47 ways as a sum of consecutive naturals, for example, 8120319 + ... + 8124051.

It is an arithmetic number, because the mean of its divisors is an integer number (1101903400).

Almost surely, 2^30320116605 is an apocalyptic number.

It is an amenable number.

30320116605 is a deficient number, since it is larger than the sum of its proper divisors (22571246595).

30320116605 is a wasteful number, since it uses less digits than its factorization.

30320116605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850 (or 4847 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 30320116605 its reverse (50661102303), we get a palindrome (80981218908).

The spelling of 30320116605 in words is "thirty billion, three hundred twenty million, one hundred sixteen thousand, six hundred five".