342112213 has 2 divisors, whose sum is σ = 342112214. Its totient is φ = 342112212.

The previous prime is 342112193. The next prime is 342112223. The reversal of 342112213 is 312211243.

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., 301126609 + 40985604 = 17353^2 + 6402^2 .

It is a cyclic number.

It is not a de Polignac number, because 342112213 - 2⁵ = 342112181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342112223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171056106 + 171056107.

It is an arithmetic number, because the mean of its divisors is an integer number (171056107).

Almost surely, 2^342112213 is an apocalyptic number.

It is an amenable number.

342112213 is a deficient number, since it is larger than the sum of its proper divisors (1).

342112213 is an equidigital number, since it uses as much as digits as its factorization.

342112213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 342112213 is about 18496.2756521414. The cubic root of 342112213 is about 699.3955414582.

Adding to 342112213 its reverse (312211243), we get a palindrome (654323456).

The spelling of 342112213 in words is "three hundred forty-two million, one hundred twelve thousand, two hundred thirteen".