243311243044 has 24 divisors (see below), whose sum is σ = 428026931640. Its totient is φ = 121018039296.

The previous prime is 243311243039. The next prime is 243311243047. The reversal of 243311243044 is 440342113342.

It can be written as a sum of positive squares in 4 ways, for example, as 15199930944 + 228111312100 = 123288^2 + 477610^2 .

It is a junction number, because it is equal to n+sod(n) for n = 243311242997 and 243311243015.

It is not an unprimeable number, because it can be changed into a prime (243311243047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5491572 + ... + 5535700.

It is an arithmetic number, because the mean of its divisors is an integer number (17834455485).

Almost surely, 2^243311243044 is an apocalyptic number.

It is an amenable number.

243311243044 is a deficient number, since it is larger than the sum of its proper divisors (184715688596).

243311243044 is a wasteful number, since it uses less digits than its factorization.

243311243044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51327 (or 51325 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 243311243044 its reverse (440342113342), we get a palindrome (683653356386).

The spelling of 243311243044 in words is "two hundred forty-three billion, three hundred eleven million, two hundred forty-three thousand, forty-four".