340215222043 has 2 divisors, whose sum is σ = 340215222044. Its totient is φ = 340215222042.

The previous prime is 340215222041. The next prime is 340215222059. The reversal of 340215222043 is 340222512043.

It is a weak prime.

It is an emirp because it is prime and its reverse (340222512043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340215222043 - 2¹ = 340215222041 is a prime.

Together with 340215222041, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (340215222041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170107611021 + 170107611022.

It is an arithmetic number, because the mean of its divisors is an integer number (170107611022).

Almost surely, 2^340215222043 is an apocalyptic number.

340215222043 is a deficient number, since it is larger than the sum of its proper divisors (1).

340215222043 is an equidigital number, since it uses as much as digits as its factorization.

340215222043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 340215222043 its reverse (340222512043), we get a palindrome (680437734086).

Subtracting 340215222043 from its reverse (340222512043), we obtain a square (7290000 = 2700²).

The spelling of 340215222043 in words is "three hundred forty billion, two hundred fifteen million, two hundred twenty-two thousand, forty-three".