30420103211 has 2 divisors, whose sum is σ = 30420103212. Its totient is φ = 30420103210.

The previous prime is 30420103141. The next prime is 30420103247. The reversal of 30420103211 is 11230102403.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30420103211 - 2²² = 30415908907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30420103211.

It is not a weakly prime, because it can be changed into another prime (30420103411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210051605 + 15210051606.

It is an arithmetic number, because the mean of its divisors is an integer number (15210051606).

Almost surely, 2^30420103211 is an apocalyptic number.

30420103211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420103211 is an equidigital number, since it uses as much as digits as its factorization.

30420103211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30420103211 its reverse (11230102403), we get a palindrome (41650205614).

The spelling of 30420103211 in words is "thirty billion, four hundred twenty million, one hundred three thousand, two hundred eleven".