243013000231 has 2 divisors, whose sum is σ = 243013000232. Its totient is φ = 243013000230.

The previous prime is 243013000187. The next prime is 243013000253. The reversal of 243013000231 is 132000310342.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 243013000231 - 2²⁵ = 242979445799 is a prime.

It is a super-2 number, since 2×243013000231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243013000199 and 243013000208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (243013000291) 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, 121506500115 + 121506500116.

It is an arithmetic number, because the mean of its divisors is an integer number (121506500116).

Almost surely, 2^243013000231 is an apocalyptic number.

243013000231 is a deficient number, since it is larger than the sum of its proper divisors (1).

243013000231 is an equidigital number, since it uses as much as digits as its factorization.

243013000231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 243013000231 its reverse (132000310342), we get a palindrome (375013310573).

The spelling of 243013000231 in words is "two hundred forty-three billion, thirteen million, two hundred thirty-one", and thus it is an aban number.