243133114187 has 2 divisors, whose sum is σ = 243133114188. Its totient is φ = 243133114186.

The previous prime is 243133114171. The next prime is 243133114223. The reversal of 243133114187 is 781411331342.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 243133114187 - 2⁴ = 243133114171 is a prime.

It is a super-2 number, since 2×243133114187² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243133114187.

It is not a weakly prime, because it can be changed into another prime (243133114387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121566557093 + 121566557094.

It is an arithmetic number, because the mean of its divisors is an integer number (121566557094).

Almost surely, 2^243133114187 is an apocalyptic number.

243133114187 is a deficient number, since it is larger than the sum of its proper divisors (1).

243133114187 is an equidigital number, since it uses as much as digits as its factorization.

243133114187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 38.

The spelling of 243133114187 in words is "two hundred forty-three billion, one hundred thirty-three million, one hundred fourteen thousand, one hundred eighty-seven".