20140310243 has 2 divisors, whose sum is σ = 20140310244. Its totient is φ = 20140310242.

The previous prime is 20140310231. The next prime is 20140310263. The reversal of 20140310243 is 34201304102.

It is an a-pointer prime, because the next prime (20140310263) can be obtained adding 20140310243 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20140310243 - 2¹⁰ = 20140309219 is a prime.

It is not a weakly prime, because it can be changed into another prime (20140310263) 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, 10070155121 + 10070155122.

It is an arithmetic number, because the mean of its divisors is an integer number (10070155122).

Almost surely, 2^20140310243 is an apocalyptic number.

20140310243 is a deficient number, since it is larger than the sum of its proper divisors (1).

20140310243 is an equidigital number, since it uses as much as digits as its factorization.

20140310243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20140310243 its reverse (34201304102), we get a palindrome (54341614345).

The spelling of 20140310243 in words is "twenty billion, one hundred forty million, three hundred ten thousand, two hundred forty-three".