30420425234 has 8 divisors (see below), whose sum is σ = 45633035568. Its totient is φ = 15209413380.

The previous prime is 30420425213. The next prime is 30420425279. The reversal of 30420425234 is 43252402403.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 30420425197 and 30420425206.

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, 350852 + ... + 428879.

It is an arithmetic number, because the mean of its divisors is an integer number (5704129446).

Almost surely, 2^30420425234 is an apocalyptic number.

30420425234 is a deficient number, since it is larger than the sum of its proper divisors (15212610334).

30420425234 is a wasteful number, since it uses less digits than its factorization.

30420425234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799240.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 30420425234 its reverse (43252402403), we get a palindrome (73672827637).

The spelling of 30420425234 in words is "thirty billion, four hundred twenty million, four hundred twenty-five thousand, two hundred thirty-four".