30180103 has 2 divisors, whose sum is σ = 30180104. Its totient is φ = 30180102.

The previous prime is 30180091. The next prime is 30180119. The reversal of 30180103 is 30108103.

It is an a-pointer prime, because the next prime (30180119) can be obtained adding 30180103 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30180103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30180193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15090051 + 15090052.

It is an arithmetic number, because the mean of its divisors is an integer number (15090052).

Almost surely, 2^30180103 is an apocalyptic number.

30180103 is a deficient number, since it is larger than the sum of its proper divisors (1).

30180103 is an equidigital number, since it uses as much as digits as its factorization.

30180103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 30180103 is about 5493.6420524093. The cubic root of 30180103 is about 311.3438125198.

Adding to 30180103 its reverse (30108103), we get a palindrome (60288206).

The spelling of 30180103 in words is "thirty million, one hundred eighty thousand, one hundred three".