30120003103 has 2 divisors, whose sum is σ = 30120003104. Its totient is φ = 30120003102.

The previous prime is 30120003101. The next prime is 30120003107. The reversal of 30120003103 is 30130002103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30120003103 - 2¹ = 30120003101 is a prime.

Together with 30120003101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30120003101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060001551 + 15060001552.

It is an arithmetic number, because the mean of its divisors is an integer number (15060001552).

Almost surely, 2^30120003103 is an apocalyptic number.

30120003103 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120003103 is an equidigital number, since it uses as much as digits as its factorization.

30120003103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30120003103 its reverse (30130002103), we get a palindrome (60250005206).

It can be divided in two parts, 3012000 and 3103, that added together give a palindrome (3015103).

The spelling of 30120003103 in words is "thirty billion, one hundred twenty million, three thousand, one hundred three".