30605306211 has 12 divisors (see below), whose sum is σ = 44209702992. Its totient is φ = 20402596656.

The previous prime is 30605306189. The next prime is 30605306231. The reversal of 30605306211 is 11260350603.

30605306211 is a `hidden beast` number, since 3 + 0 + 6 + 0 + 5 + 30 + 621 + 1 = 666.

It is not a de Polignac number, because 30605306211 - 2³¹ = 28457822563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30605306231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168570 + ... + 299376.

It is an arithmetic number, because the mean of its divisors is an integer number (3684141916).

Almost surely, 2^30605306211 is an apocalyptic number.

30605306211 is a deficient number, since it is larger than the sum of its proper divisors (13604396781).

30605306211 is a wasteful number, since it uses less digits than its factorization.

30605306211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156810 (or 156807 counting only the distinct ones).

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

Adding to 30605306211 its reverse (11260350603), we get a palindrome (41865656814).

The spelling of 30605306211 in words is "thirty billion, six hundred five million, three hundred six thousand, two hundred eleven".