321043240204 has 24 divisors (see below), whose sum is σ = 589763397888. Its totient is φ = 152622996240.

The previous prime is 321043240163. The next prime is 321043240237. The reversal of 321043240204 is 402042340123.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10432542 + ... + 10463269.

It is an arithmetic number, because the mean of its divisors is an integer number (24573474912).

Almost surely, 2^321043240204 is an apocalyptic number.

It is an amenable number.

321043240204 is a deficient number, since it is larger than the sum of its proper divisors (268720157684).

321043240204 is a wasteful number, since it uses less digits than its factorization.

321043240204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20896005 (or 20896003 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 321043240204 its reverse (402042340123), we get a palindrome (723085580327).

The spelling of 321043240204 in words is "three hundred twenty-one billion, forty-three million, two hundred forty thousand, two hundred four".