243013110133 has 2 divisors, whose sum is σ = 243013110134. Its totient is φ = 243013110132.

The previous prime is 243013110103. The next prime is 243013110143. The reversal of 243013110133 is 331011310342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172543036689 + 70470073444 = 415383^2 + 265462^2 .

It is a cyclic number.

It is not a de Polignac number, because 243013110133 - 2⁹ = 243013109621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243013110103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121506555066 + 121506555067.

It is an arithmetic number, because the mean of its divisors is an integer number (121506555067).

Almost surely, 2^243013110133 is an apocalyptic number.

It is an amenable number.

243013110133 is a deficient number, since it is larger than the sum of its proper divisors (1).

243013110133 is an equidigital number, since it uses as much as digits as its factorization.

243013110133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 243013110133 its reverse (331011310342), we get a palindrome (574024420475).

The spelling of 243013110133 in words is "two hundred forty-three billion, thirteen million, one hundred ten thousand, one hundred thirty-three".