30230505 has 48 divisors (see below), whose sum is σ = 56833920. Its totient is φ = 14805504.

The previous prime is 30230503. The next prime is 30230513. The reversal of 30230505 is 50503203.

It is not a de Polignac number, because 30230505 - 2¹ = 30230503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230503) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32436 + ... + 33354.

It is an arithmetic number, because the mean of its divisors is an integer number (1184040).

Almost surely, 2^30230505 is an apocalyptic number.

It is an amenable number.

30230505 is a deficient number, since it is larger than the sum of its proper divisors (26603415).

30230505 is a wasteful number, since it uses less digits than its factorization.

30230505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 30230505 is about 5498.2274416397. The cubic root of 30230505 is about 311.5170350710.

Adding to 30230505 its reverse (50503203), we get a palindrome (80733708).

The spelling of 30230505 in words is "thirty million, two hundred thirty thousand, five hundred five".