30306211305 has 16 divisors (see below), whose sum is σ = 48522937344. Its totient is φ = 16152312960.

The previous prime is 30306211207. The next prime is 30306211319. The reversal of 30306211305 is 50311260303.

It is a happy number.

It is not a de Polignac number, because 30306211305 - 2²⁰ = 30305162729 is a prime.

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, 664684 + ... + 708813.

It is an arithmetic number, because the mean of its divisors is an integer number (3032683584).

Almost surely, 2^30306211305 is an apocalyptic number.

It is an amenable number.

30306211305 is a deficient number, since it is larger than the sum of its proper divisors (18216726039).

30306211305 is a wasteful number, since it uses less digits than its factorization.

30306211305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374976.

The product of its (nonzero) digits is 1620, while the sum is 24.

Adding to 30306211305 its reverse (50311260303), we get a palindrome (80617471608).

The spelling of 30306211305 in words is "thirty billion, three hundred six million, two hundred eleven thousand, three hundred five".