30512230 has 16 divisors (see below), whose sum is σ = 62768160. Its totient is φ = 10461312.

The previous prime is 30512221. The next prime is 30512231. The reversal of 30512230 is 3221503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30512231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217875 + ... + 218014.

It is an arithmetic number, because the mean of its divisors is an integer number (3923010).

Almost surely, 2^30512230 is an apocalyptic number.

30512230 is an abundant number, since it is smaller than the sum of its proper divisors (32255930).

30512230 is a wasteful number, since it uses less digits than its factorization.

30512230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435903.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30512230 is about 5523.7876497925. The cubic root of 30512230 is about 312.4817440002.

Adding to 30512230 its reverse (3221503), we get a palindrome (33733733).

The spelling of 30512230 in words is "thirty million, five hundred twelve thousand, two hundred thirty".