342313217 has 2 divisors, whose sum is σ = 342313218. Its totient is φ = 342313216.

The previous prime is 342313211. The next prime is 342313219. The reversal of 342313217 is 712313243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339701761 + 2611456 = 18431^2 + 1616^2 .

It is a cyclic number.

It is not a de Polignac number, because 342313217 - 2⁴ = 342313201 is a prime.

Together with 342313219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342313211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171156608 + 171156609.

It is an arithmetic number, because the mean of its divisors is an integer number (171156609).

Almost surely, 2^342313217 is an apocalyptic number.

It is an amenable number.

342313217 is a deficient number, since it is larger than the sum of its proper divisors (1).

342313217 is an equidigital number, since it uses as much as digits as its factorization.

342313217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 26.

The square root of 342313217 is about 18501.7084886775. The cubic root of 342313217 is about 699.5324885112.

Adding to 342313217 its sum of digits (26), we get a palindrome (342313243).

The spelling of 342313217 in words is "three hundred forty-two million, three hundred thirteen thousand, two hundred seventeen".