243440311141 has 8 divisors (see below), whose sum is σ = 245241053568. Its totient is φ = 241642050000.

The previous prime is 243440311139. The next prime is 243440311157. The reversal of 243440311141 is 141113044342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243440311141 - 2¹ = 243440311139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243440311111) 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, 423145 + ... + 816046.

It is an arithmetic number, because the mean of its divisors is an integer number (30655131696).

Almost surely, 2^243440311141 is an apocalyptic number.

It is an amenable number.

243440311141 is a deficient number, since it is larger than the sum of its proper divisors (1800742427).

243440311141 is a wasteful number, since it uses less digits than its factorization.

243440311141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240643.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 243440311141 its reverse (141113044342), we get a palindrome (384553355483).

The spelling of 243440311141 in words is "two hundred forty-three billion, four hundred forty million, three hundred eleven thousand, one hundred forty-one".