30820012103 has 2 divisors, whose sum is σ = 30820012104. Its totient is φ = 30820012102.

The previous prime is 30820012057. The next prime is 30820012117. The reversal of 30820012103 is 30121002803.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30820012103 - 2⁸ = 30820011847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30820012183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15410006051 + 15410006052.

It is an arithmetic number, because the mean of its divisors is an integer number (15410006052).

Almost surely, 2^30820012103 is an apocalyptic number.

30820012103 is a deficient number, since it is larger than the sum of its proper divisors (1).

30820012103 is an equidigital number, since it uses as much as digits as its factorization.

30820012103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 30820012103 its reverse (30121002803), we get a palindrome (60941014906).

The spelling of 30820012103 in words is "thirty billion, eight hundred twenty million, twelve thousand, one hundred three".