340312033 has 2 divisors, whose sum is σ = 340312034. Its totient is φ = 340312032.

The previous prime is 340312031. The next prime is 340312073. The reversal of 340312033 is 330213043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 193126609 + 147185424 = 13897^2 + 12132^2 .

It is an emirp because it is prime and its reverse (330213043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340312033 - 2¹ = 340312031 is a prime.

Together with 340312031, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 340312033.

It is not a weakly prime, because it can be changed into another prime (340312031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170156016 + 170156017.

It is an arithmetic number, because the mean of its divisors is an integer number (170156017).

Almost surely, 2^340312033 is an apocalyptic number.

It is an amenable number.

340312033 is a deficient number, since it is larger than the sum of its proper divisors (1).

340312033 is an equidigital number, since it uses as much as digits as its factorization.

340312033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 340312033 is about 18447.5481568690. The cubic root of 340312033 is about 698.1666535564.

Adding to 340312033 its reverse (330213043), we get a palindrome (670525076).

The spelling of 340312033 in words is "three hundred forty million, three hundred twelve thousand, thirty-three".