243114231961 has 2 divisors, whose sum is σ = 243114231962. Its totient is φ = 243114231960.

The previous prime is 243114231959. The next prime is 243114231973. The reversal of 243114231961 is 169132411342.

243114231961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183907176336 + 59207055625 = 428844^2 + 243325^2 .

It is a cyclic number.

It is not a de Polignac number, because 243114231961 - 2¹ = 243114231959 is a prime.

Together with 243114231959, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 243114231961.

It is not a weakly prime, because it can be changed into another prime (243114231911) 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 as a sum of consecutive naturals, namely, 121557115980 + 121557115981.

It is an arithmetic number, because the mean of its divisors is an integer number (121557115981).

Almost surely, 2^243114231961 is an apocalyptic number.

It is an amenable number.

243114231961 is a deficient number, since it is larger than the sum of its proper divisors (1).

243114231961 is an equidigital number, since it uses as much as digits as its factorization.

243114231961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 37.

The spelling of 243114231961 in words is "two hundred forty-three billion, one hundred fourteen million, two hundred thirty-one thousand, nine hundred sixty-one".