30233112 has 128 divisors (see below), whose sum is σ = 94617600. Its totient is φ = 7838208.

The previous prime is 30233111. The next prime is 30233131. The reversal of 30233112 is 21133203.

It is a super-2 number, since 2×30233112² = 1828082122409088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30233091 and 30233100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30233111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237993 + ... + 238119.

It is an arithmetic number, because the mean of its divisors is an integer number (739200).

Almost surely, 2^30233112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30233112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47308800).

30233112 is an abundant number, since it is smaller than the sum of its proper divisors (64384488).

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

30233112 is a wasteful number, since it uses less digits than its factorization.

30233112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 30233112 is about 5498.4645129345. The cubic root of 30233112 is about 311.5259896195.

Adding to 30233112 its reverse (21133203), we get a palindrome (51366315).

Subtracting from 30233112 its reverse (21133203), we obtain a palindrome (9099909).

The spelling of 30233112 in words is "thirty million, two hundred thirty-three thousand, one hundred twelve".