30134421 has 24 divisors (see below), whose sum is σ = 46626840. Its totient is φ = 18686976.

The previous prime is 30134417. The next prime is 30134431. The reversal of 30134421 is 12443103.

30134421 is a `hidden beast` number, since 301 + 344 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13242321 + 16892100 = 3639^2 + 4110^2 .

It is not a de Polignac number, because 30134421 - 2² = 30134417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30134394 and 30134403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30134411) 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 23 ways as a sum of consecutive naturals, for example, 12511 + ... + 14723.

It is an arithmetic number, because the mean of its divisors is an integer number (1942785).

Almost surely, 2^30134421 is an apocalyptic number.

It is an amenable number.

30134421 is a deficient number, since it is larger than the sum of its proper divisors (16492419).

30134421 is a wasteful number, since it uses less digits than its factorization.

30134421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2325 (or 2322 counting only the distinct ones).

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

The square root of 30134421 is about 5489.4827625196. The cubic root of 30134421 is about 311.1866450621.

Adding to 30134421 its reverse (12443103), we get a palindrome (42577524).

The spelling of 30134421 in words is "thirty million, one hundred thirty-four thousand, four hundred twenty-one".