304243140305 has 32 divisors (see below), whose sum is σ = 400327401600. Its totient is φ = 220594493952.

The previous prime is 304243140239. The next prime is 304243140343. The reversal of 304243140305 is 503041342403.

It is not a de Polignac number, because 304243140305 - 2¹² = 304243136209 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3123581 + ... + 3219509.

It is an arithmetic number, because the mean of its divisors is an integer number (12510231300).

Almost surely, 2^304243140305 is an apocalyptic number.

It is an amenable number.

304243140305 is a deficient number, since it is larger than the sum of its proper divisors (96084261295).

304243140305 is a wasteful number, since it uses less digits than its factorization.

304243140305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96833.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 304243140305 its reverse (503041342403), we get a palindrome (807284482708).

The spelling of 304243140305 in words is "three hundred four billion, two hundred forty-three million, one hundred forty thousand, three hundred five".