243314002313 has 2 divisors, whose sum is σ = 243314002314. Its totient is φ = 243314002312.

The previous prime is 243314002303. The next prime is 243314002331. The reversal of 243314002313 is 313200413342.

Together with next prime (243314002331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233644623424 + 9669378889 = 483368^2 + 98333^2 .

It is a cyclic number.

It is not a de Polignac number, because 243314002313 - 2⁴ = 243314002297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (243314002303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121657001156 + 121657001157.

It is an arithmetic number, because the mean of its divisors is an integer number (121657001157).

Almost surely, 2^243314002313 is an apocalyptic number.

It is an amenable number.

243314002313 is a deficient number, since it is larger than the sum of its proper divisors (1).

243314002313 is an equidigital number, since it uses as much as digits as its factorization.

243314002313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 243314002313 its reverse (313200413342), we get a palindrome (556514415655).

The spelling of 243314002313 in words is "two hundred forty-three billion, three hundred fourteen million, two thousand, three hundred thirteen".