30021234424 has 16 divisors (see below), whose sum is σ = 57212599320. Its totient is φ = 14764541280.

The previous prime is 30021234407. The next prime is 30021234479. The reversal of 30021234424 is 42443212003.

It is a happy number.

It is a super-2 number, since 2×30021234424² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30758974 + ... + 30759949.

Almost surely, 2^30021234424 is an apocalyptic number.

It is an amenable number.

30021234424 is a deficient number, since it is larger than the sum of its proper divisors (27191364896).

30021234424 is a wasteful number, since it uses less digits than its factorization.

30021234424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61518990 (or 61518986 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30021234424 its reverse (42443212003), we get a palindrome (72464446427).

The spelling of 30021234424 in words is "thirty billion, twenty-one million, two hundred thirty-four thousand, four hundred twenty-four".