305421230 has 8 divisors (see below), whose sum is σ = 549758232. Its totient is φ = 122168488.

The previous prime is 305421227. The next prime is 305421239. The reversal of 305421230 is 32124503.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305421239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15271052 + ... + 15271071.

It is an arithmetic number, because the mean of its divisors is an integer number (68719779).

Almost surely, 2^305421230 is an apocalyptic number.

305421230 is a deficient number, since it is larger than the sum of its proper divisors (244337002).

305421230 is a wasteful number, since it uses less digits than its factorization.

305421230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30542130.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 305421230 is about 17476.3048153779. The cubic root of 305421230 is about 673.4412904594.

Adding to 305421230 its reverse (32124503), we get a palindrome (337545733).

The spelling of 305421230 in words is "three hundred five million, four hundred twenty-one thousand, two hundred thirty".