30011421 has 8 divisors (see below), whose sum is σ = 43653024. Its totient is φ = 18188720.

The previous prime is 30011417. The next prime is 30011447. The reversal of 30011421 is 12411003.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30011421 - 2² = 30011417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30011397 and 30011406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30011461) 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 7 ways as a sum of consecutive naturals, for example, 454686 + ... + 454751.

It is an arithmetic number, because the mean of its divisors is an integer number (5456628).

Almost surely, 2^30011421 is an apocalyptic number.

It is an amenable number.

30011421 is a deficient number, since it is larger than the sum of its proper divisors (13641603).

30011421 is a wasteful number, since it uses less digits than its factorization.

30011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909451.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 30011421 is about 5478.2680657303. The cubic root of 30011421 is about 310.7626763732.

Adding to 30011421 its reverse (12411003), we get a palindrome (42422424).

The spelling of 30011421 in words is "thirty million, eleven thousand, four hundred twenty-one".