30421434430 has 16 divisors (see below), whose sum is σ = 55373848560. Its totient is φ = 12031847872.

The previous prime is 30421434427. The next prime is 30421434457. The reversal of 30421434430 is 3443412403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17089804 + ... + 17091583.

It is an arithmetic number, because the mean of its divisors is an integer number (3460865535).

Almost surely, 2^30421434430 is an apocalyptic number.

30421434430 is a deficient number, since it is larger than the sum of its proper divisors (24952414130).

30421434430 is a wasteful number, since it uses less digits than its factorization.

30421434430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34181483.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 30421434430 its reverse (3443412403), we get a palindrome (33864846833).

The spelling of 30421434430 in words is "thirty billion, four hundred twenty-one million, four hundred thirty-four thousand, four hundred thirty".