304431130220 has 96 divisors (see below), whose sum is σ = 763622052480. Its totient is φ = 99738132480.

The previous prime is 304431130181. The next prime is 304431130247. The reversal of 304431130220 is 22031134403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7310 + ... + 780330.

It is an arithmetic number, because the mean of its divisors is an integer number (7954396380).

Almost surely, 2^304431130220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 304431130220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381811026240).

304431130220 is an abundant number, since it is smaller than the sum of its proper divisors (459190922260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

304431130220 is a wasteful number, since it uses less digits than its factorization.

304431130220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773163 (or 773161 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 304431130220 its reverse (22031134403), we get a palindrome (326462264623).

The spelling of 304431130220 in words is "three hundred four billion, four hundred thirty-one million, one hundred thirty thousand, two hundred twenty".