30420340211 has 2 divisors, whose sum is σ = 30420340212. Its totient is φ = 30420340210.

The previous prime is 30420340177. The next prime is 30420340217. The reversal of 30420340211 is 11204302403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30420340211 - 2¹⁴ = 30420323827 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30420340217) 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 as a sum of consecutive naturals, namely, 15210170105 + 15210170106.

It is an arithmetic number, because the mean of its divisors is an integer number (15210170106).

Almost surely, 2^30420340211 is an apocalyptic number.

30420340211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420340211 is an equidigital number, since it uses as much as digits as its factorization.

30420340211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30420340211 its reverse (11204302403), we get a palindrome (41624642614).

The spelling of 30420340211 in words is "thirty billion, four hundred twenty million, three hundred forty thousand, two hundred eleven".