243313411420 has 24 divisors (see below), whose sum is σ = 513189432000. Its totient is φ = 96900361152.

The previous prime is 243313411417. The next prime is 243313411441. The reversal of 243313411420 is 24114313342.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 26558020 + ... + 26567179.

It is an arithmetic number, because the mean of its divisors is an integer number (21382893000).

Almost surely, 2^243313411420 is an apocalyptic number.

243313411420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243313411420 is an abundant number, since it is smaller than the sum of its proper divisors (269876020580).

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

243313411420 is a wasteful number, since it uses less digits than its factorization.

243313411420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53125437 (or 53125435 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 243313411420 its reverse (24114313342), we get a palindrome (267427724762).

The spelling of 243313411420 in words is "two hundred forty-three billion, three hundred thirteen million, four hundred eleven thousand, four hundred twenty".