20430003103 has 2 divisors, whose sum is σ = 20430003104. Its totient is φ = 20430003102.

The previous prime is 20430003071. The next prime is 20430003107. The reversal of 20430003103 is 30130003402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20430003103 - 2⁵ = 20430003071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20430003107) 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, 10215001551 + 10215001552.

It is an arithmetic number, because the mean of its divisors is an integer number (10215001552).

Almost surely, 2^20430003103 is an apocalyptic number.

20430003103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20430003103 is an equidigital number, since it uses as much as digits as its factorization.

20430003103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20430003103 its reverse (30130003402), we get a palindrome (50560006505).

The spelling of 20430003103 in words is "twenty billion, four hundred thirty million, three thousand, one hundred three".