30442103 has 2 divisors, whose sum is σ = 30442104. Its totient is φ = 30442102.

The previous prime is 30442091. The next prime is 30442129. The reversal of 30442103 is 30124403.

It is a weak prime.

It is an emirp because it is prime and its reverse (30124403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30442103 - 2⁶ = 30442039 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30442603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15221051 + 15221052.

It is an arithmetic number, because the mean of its divisors is an integer number (15221052).

Almost surely, 2^30442103 is an apocalyptic number.

30442103 is a deficient number, since it is larger than the sum of its proper divisors (1).

30442103 is an equidigital number, since it uses as much as digits as its factorization.

30442103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 30442103 is about 5517.4362705880. The cubic root of 30442103 is about 312.2421655670.

Adding to 30442103 its reverse (30124403), we get a palindrome (60566506).

The spelling of 30442103 in words is "thirty million, four hundred forty-two thousand, one hundred three".