30297103 has 4 divisors (see below), whose sum is σ = 30315168. Its totient is φ = 30279040.

The previous prime is 30297041. The next prime is 30297107. The reversal of 30297103 is 30179203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30179203 = 1511 ⋅19973.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30297103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30297107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6226 + ... + 9967.

It is an arithmetic number, because the mean of its divisors is an integer number (7578792).

Almost surely, 2^30297103 is an apocalyptic number.

30297103 is a deficient number, since it is larger than the sum of its proper divisors (18065).

30297103 is a wasteful number, since it uses less digits than its factorization.

30297103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18064.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 30297103 is about 5504.2804252690. The cubic root of 30297103 is about 311.7456253123.

The spelling of 30297103 in words is "thirty million, two hundred ninety-seven thousand, one hundred three".