211140203142343 has 2 divisors, whose sum is σ = 211140203142344. Its totient is φ = 211140203142342.

The previous prime is 211140203142317. The next prime is 211140203142397. The reversal of 211140203142343 is 343241302041112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211140203142343 - 2³⁷ = 211002764188871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211140203142643) 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, 105570101571171 + 105570101571172.

It is an arithmetic number, because the mean of its divisors is an integer number (105570101571172).

Almost surely, 2^{211140203142343} is an apocalyptic number.

211140203142343 is a deficient number, since it is larger than the sum of its proper divisors (1).

211140203142343 is an equidigital number, since it uses as much as digits as its factorization.

211140203142343 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 31.

Adding to 211140203142343 its reverse (343241302041112), we get a palindrome (554381505183455).

The spelling of 211140203142343 in words is "two hundred eleven trillion, one hundred forty billion, two hundred three million, one hundred forty-two thousand, three hundred forty-three".