243102344231 has 2 divisors, whose sum is σ = 243102344232. Its totient is φ = 243102344230.

The previous prime is 243102344183. The next prime is 243102344257. The reversal of 243102344231 is 132443201342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243102344231 - 2⁶ = 243102344167 is a prime.

It is a super-2 number, since 2×243102344231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243102344194 and 243102344203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243102374231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121551172115 + 121551172116.

It is an arithmetic number, because the mean of its divisors is an integer number (121551172116).

Almost surely, 2^243102344231 is an apocalyptic number.

243102344231 is a deficient number, since it is larger than the sum of its proper divisors (1).

243102344231 is an equidigital number, since it uses as much as digits as its factorization.

243102344231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 243102344231 its reverse (132443201342), we get a palindrome (375545545573).

The spelling of 243102344231 in words is "two hundred forty-three billion, one hundred two million, three hundred forty-four thousand, two hundred thirty-one".