340432121210213 has 2 divisors, whose sum is σ = 340432121210214. Its totient is φ = 340432121210212.

The previous prime is 340432121210197. The next prime is 340432121210227. The reversal of 340432121210213 is 312012121234043.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 301881520568644 + 38550600641569 = 17374738^2 + 6208913^2 .

It is an emirp because it is prime and its reverse (312012121234043) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 340432121210213 - 2⁴ = 340432121210197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340432121219213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170216060605106 + 170216060605107.

It is an arithmetic number, because the mean of its divisors is an integer number (170216060605107).

Almost surely, 2^{340432121210213} is an apocalyptic number.

It is an amenable number.

340432121210213 is a deficient number, since it is larger than the sum of its proper divisors (1).

340432121210213 is an equidigital number, since it uses as much as digits as its factorization.

340432121210213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 340432121210213 its reverse (312012121234043), we get a palindrome (652444242444256).

The spelling of 340432121210213 in words is "three hundred forty trillion, four hundred thirty-two billion, one hundred twenty-one million, two hundred ten thousand, two hundred thirteen".