243121111032 has 32 divisors (see below), whose sum is σ = 608794336080. Its totient is φ = 80908162560.

The previous prime is 243121111027. The next prime is 243121111091. The reversal of 243121111032 is 230111121342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8247969 + ... + 8277392.

Almost surely, 2^243121111032 is an apocalyptic number.

It is an amenable number.

243121111032 is an abundant number, since it is smaller than the sum of its proper divisors (365673225048).

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

243121111032 is a wasteful number, since it uses less digits than its factorization.

243121111032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16525983 (or 16525979 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 243121111032 its reverse (230111121342), we get a palindrome (473232232374).

The spelling of 243121111032 in words is "two hundred forty-three billion, one hundred twenty-one million, one hundred eleven thousand, thirty-two".