30112302 has 96 divisors (see below), whose sum is σ = 72777600. Its totient is φ = 8268480.

The previous prime is 30112297. The next prime is 30112309. The reversal of 30112302 is 20321103.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30112309) 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, 510349 + ... + 510407.

It is an arithmetic number, because the mean of its divisors is an integer number (758100).

Almost surely, 2^30112302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30112302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36388800).

30112302 is an abundant number, since it is smaller than the sum of its proper divisors (42665298).

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

30112302 is a wasteful number, since it uses less digits than its factorization.

30112302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 30112302 is about 5487.4677220007. The cubic root of 30112302 is about 311.1104882735.

Adding to 30112302 its reverse (20321103), we get a palindrome (50433405).

The spelling of 30112302 in words is "thirty million, one hundred twelve thousand, three hundred two".