30320103 has 16 divisors (see below), whose sum is σ = 44194176. Its totient is φ = 18337440.

The previous prime is 30320083. The next prime is 30320137. The reversal of 30320103 is 30102303.

It is a happy number.

It is not a de Polignac number, because 30320103 - 2⁵ = 30320071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30320183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29425 + ... + 30437.

It is an arithmetic number, because the mean of its divisors is an integer number (2762136).

Almost surely, 2^30320103 is an apocalyptic number.

30320103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

30320103 is a deficient number, since it is larger than the sum of its proper divisors (13874073).

30320103 is a wasteful number, since it uses less digits than its factorization.

30320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 30320103 is about 5506.3693119877. The cubic root of 30320103 is about 311.8244924319.

Adding to 30320103 its reverse (30102303), we get a palindrome (60422406).

The spelling of 30320103 in words is "thirty million, three hundred twenty thousand, one hundred three".