243113329301 has 2 divisors, whose sum is σ = 243113329302. Its totient is φ = 243113329300.

The previous prime is 243113329289. The next prime is 243113329307. The reversal of 243113329301 is 103923311342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193362472900 + 49750856401 = 439730^2 + 223049^2 .

It is a cyclic number.

It is not a de Polignac number, because 243113329301 - 2⁶ = 243113329237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243113329307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121556664650 + 121556664651.

It is an arithmetic number, because the mean of its divisors is an integer number (121556664651).

Almost surely, 2^243113329301 is an apocalyptic number.

It is an amenable number.

243113329301 is a deficient number, since it is larger than the sum of its proper divisors (1).

243113329301 is an equidigital number, since it uses as much as digits as its factorization.

243113329301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 243113329301 in words is "two hundred forty-three billion, one hundred thirteen million, three hundred twenty-nine thousand, three hundred one".