30111424 has 28 divisors (see below), whose sum is σ = 68289424. Its totient is φ = 12904704.

The previous prime is 30111397. The next prime is 30111427. The reversal of 30111424 is 42411103.

It is a tau number, because it is divible by the number of its divisors (28).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 30111398 and 30111407.

It is not an unprimeable number, because it can be changed into a prime (30111427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 33159 + ... + 34054.

It is an arithmetic number, because the mean of its divisors is an integer number (2438908).

Almost surely, 2^30111424 is an apocalyptic number.

It is an amenable number.

30111424 is an abundant number, since it is smaller than the sum of its proper divisors (38178000).

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

30111424 is an equidigital number, since it uses as much as digits as its factorization.

30111424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67232 (or 67222 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 30111424 is about 5487.3877209470. The cubic root of 30111424 is about 311.1074645075.

Adding to 30111424 its reverse (42411103), we get a palindrome (72522527).

The spelling of 30111424 in words is "thirty million, one hundred eleven thousand, four hundred twenty-four".