243331311004 has 24 divisors (see below), whose sum is σ = 434573314448. Its totient is φ = 119187573120.

The previous prime is 243331310953. The next prime is 243331311029. The reversal of 243331311004 is 400113133342.

243331311004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 243331311004.

It is a congruent 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, 2459649 + ... + 2556664.

Almost surely, 2^243331311004 is an apocalyptic number.

It is an amenable number.

243331311004 is a deficient number, since it is larger than the sum of its proper divisors (191242003444).

243331311004 is a wasteful number, since it uses less digits than its factorization.

243331311004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016565 (or 5016563 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 243331311004 its reverse (400113133342), we get a palindrome (643444444346).

The spelling of 243331311004 in words is "two hundred forty-three billion, three hundred thirty-one million, three hundred eleven thousand, four".