243311332432 has 60 divisors (see below), whose sum is σ = 563203779040. Its totient is φ = 99742509504.

The previous prime is 243311332417. The next prime is 243311332477. The reversal of 243311332432 is 234233113342.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 243311332394 and 243311332403.

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 11 ways as a sum of consecutive naturals, for example, 1994082 + ... + 2112577.

Almost surely, 2^243311332432 is an apocalyptic number.

It is an amenable number.

243311332432 is an abundant number, since it is smaller than the sum of its proper divisors (319892446608).

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

243311332432 is a wasteful number, since it uses less digits than its factorization.

243311332432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4106720 (or 4106691 counting only the distinct ones).

The product of its digits is 31104, while the sum is 31.

Adding to 243311332432 its reverse (234233113342), we get a palindrome (477544445774).

The spelling of 243311332432 in words is "two hundred forty-three billion, three hundred eleven million, three hundred thirty-two thousand, four hundred thirty-two".