30340503 has 24 divisors (see below), whose sum is σ = 44844800. Its totient is φ = 19762704.

The previous prime is 30340493. The next prime is 30340507. The reversal of 30340503 is 30504303.

It is a happy number.

It is not a de Polignac number, because 30340503 - 2¹⁸ = 30078359 is a prime.

It is a super-2 number, since 2×30340503² = 1841092244586018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30340507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98676 + ... + 98982.

Almost surely, 2^30340503 is an apocalyptic number.

30340503 is a deficient number, since it is larger than the sum of its proper divisors (14504297).

30340503 is a wasteful number, since it uses less digits than its factorization.

30340503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 18.

The square root of 30340503 is about 5508.2214007790. The cubic root of 30340503 is about 311.8944107688.

Adding to 30340503 its reverse (30504303), we get a palindrome (60844806).

The spelling of 30340503 in words is "thirty million, three hundred forty thousand, five hundred three".