30112434 has 24 divisors (see below), whose sum is σ = 71175312. Its totient is φ = 9124920.

The previous prime is 30112429. The next prime is 30112441. The reversal of 30112434 is 43421103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75844 + ... + 76239.

It is an arithmetic number, because the mean of its divisors is an integer number (2965638).

Almost surely, 2^30112434 is an apocalyptic number.

30112434 is an abundant number, since it is smaller than the sum of its proper divisors (41062878).

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

30112434 is a wasteful number, since it uses less digits than its factorization.

30112434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152102 (or 152099 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30112434 is about 5487.4797493932. The cubic root of 30112434 is about 311.1109428665.

Adding to 30112434 its reverse (43421103), we get a palindrome (73533537).

It can be divided in two parts, 3011 and 2434, that added together give a palindrome (5445).

The spelling of 30112434 in words is "thirty million, one hundred twelve thousand, four hundred thirty-four".