243243133110 has 128 divisors (see below), whose sum is σ = 654361804800. Its totient is φ = 64294663680.

The previous prime is 243243133109. The next prime is 243243133129. The reversal of 243243133110 is 11331342342.

It is a happy number.

243243133110 is a `hidden beast` number, since 2 + 4 + 32 + 4 + 313 + 311 + 0 = 666.

243243133110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34552971 + ... + 34560009.

It is an arithmetic number, because the mean of its divisors is an integer number (5112201600).

Almost surely, 2^243243133110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243243133110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327180902400).

243243133110 is an abundant number, since it is smaller than the sum of its proper divisors (411118671690).

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

243243133110 is a wasteful number, since it uses less digits than its factorization.

243243133110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163 (or 8157 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 243243133110 its reverse (11331342342), we get a palindrome (254574475452).

The spelling of 243243133110 in words is "two hundred forty-three billion, two hundred forty-three million, one hundred thirty-three thousand, one hundred ten".