30533230 has 96 divisors (see below), whose sum is σ = 71150400. Its totient is φ = 9225216.

The previous prime is 30533219. The next prime is 30533231. The reversal of 30533230 is 3233503.

It is a junction number, because it is equal to n+sod(n) for n = 30533198 and 30533207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30533231) 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, 343026 + ... + 343114.

It is an arithmetic number, because the mean of its divisors is an integer number (741150).

Almost surely, 2^30533230 is an apocalyptic number.

30533230 is an abundant number, since it is smaller than the sum of its proper divisors (40617170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30533230 is a wasteful number, since it uses less digits than its factorization.

30533230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 19.

The square root of 30533230 is about 5525.6881924336. The cubic root of 30533230 is about 312.5534159357.

Adding to 30533230 its reverse (3233503), we get a palindrome (33766733).

The spelling of 30533230 in words is "thirty million, five hundred thirty-three thousand, two hundred thirty".