30471112 has 48 divisors (see below), whose sum is σ = 67728960. Its totient is φ = 12589248.

The previous prime is 30471107. The next prime is 30471151. The reversal of 30471112 is 21117403.

It is a self number, because there is not a number n which added to its sum of digits gives 30471112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46773 + ... + 47419.

It is an arithmetic number, because the mean of its divisors is an integer number (1411020).

Almost surely, 2^30471112 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 30471112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33864480).

30471112 is an abundant number, since it is smaller than the sum of its proper divisors (37257848).

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

30471112 is a wasteful number, since it uses less digits than its factorization.

30471112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 685 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 30471112 is about 5520.0644923769. The cubic root of 30471112 is about 312.3413150614.

Adding to 30471112 its reverse (21117403), we get a palindrome (51588515).

The spelling of 30471112 in words is "thirty million, four hundred seventy-one thousand, one hundred twelve".