243120311411 has 16 divisors (see below), whose sum is σ = 250551179424. Its totient is φ = 235800474624.

The previous prime is 243120311407. The next prime is 243120311431. The reversal of 243120311411 is 114113021342.

243120311411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 243120311411 - 2² = 243120311407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243120311431) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4481696 + ... + 4535618.

It is an arithmetic number, because the mean of its divisors is an integer number (15659448714).

Almost surely, 2^243120311411 is an apocalyptic number.

243120311411 is a deficient number, since it is larger than the sum of its proper divisors (7430868013).

243120311411 is an equidigital number, since it uses as much as digits as its factorization.

243120311411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54950.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 243120311411 its reverse (114113021342), we get a palindrome (357233332753).

The spelling of 243120311411 in words is "two hundred forty-three billion, one hundred twenty million, three hundred eleven thousand, four hundred eleven".