30113832 has 96 divisors (see below), whose sum is σ = 90698400. Its totient is φ = 8297856.

The previous prime is 30113827. The next prime is 30113843. The reversal of 30113832 is 23831103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 30113799 and 30113808.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33663 + ... + 34545.

It is an arithmetic number, because the mean of its divisors is an integer number (944775).

Almost surely, 2^30113832 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 30113832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45349200).

30113832 is an abundant number, since it is smaller than the sum of its proper divisors (60584568).

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

30113832 is a wasteful number, since it uses less digits than its factorization.

30113832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935 (or 924 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 30113832 is about 5487.6071287948. The cubic root of 30113832 is about 311.1157573380.

Adding to 30113832 its reverse (23831103), we get a palindrome (53944935).

The spelling of 30113832 in words is "thirty million, one hundred thirteen thousand, eight hundred thirty-two".