304143231340 has 24 divisors (see below), whose sum is σ = 687831616080. Its totient is φ = 112299039168.

The previous prime is 304143231317. The next prime is 304143231341. The reversal of 304143231340 is 43132341403.

It is a junction number, because it is equal to n+sod(n) for n = 304143231299 and 304143231308.

It is not an unprimeable number, because it can be changed into a prime (304143231341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584890570 + ... + 584891089.

It is an arithmetic number, because the mean of its divisors is an integer number (28659650670).

Almost surely, 2^304143231340 is an apocalyptic number.

It is an amenable number.

304143231340 is an abundant number, since it is smaller than the sum of its proper divisors (383688384740).

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

304143231340 is a wasteful number, since it uses less digits than its factorization.

304143231340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169781681 (or 1169781679 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 304143231340 its reverse (43132341403), we get a palindrome (347275572743).

The spelling of 304143231340 in words is "three hundred four billion, one hundred forty-three million, two hundred thirty-one thousand, three hundred forty".