30542103 has 20 divisors (see below), whose sum is σ = 45999360. Its totient is φ = 20194272.

The previous prime is 30542093. The next prime is 30542119. The reversal of 30542103 is 30124503.

It is not a de Polignac number, because 30542103 - 2¹³ = 30533911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30542123) 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 in 19 ways as a sum of consecutive naturals, for example, 8803 + ... + 11771.

It is an arithmetic number, because the mean of its divisors is an integer number (2299968).

Almost surely, 2^30542103 is an apocalyptic number.

30542103 is a deficient number, since it is larger than the sum of its proper divisors (15457257).

30542103 is a wasteful number, since it uses less digits than its factorization.

30542103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108 (or 3099 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30542103 is about 5526.4910205301. The cubic root of 30542103 is about 312.5836891589.

Adding to 30542103 its reverse (30124503), we get a palindrome (60666606).

The spelling of 30542103 in words is "thirty million, five hundred forty-two thousand, one hundred three".