342108197 has 2 divisors, whose sum is σ = 342108198. Its totient is φ = 342108196.

The previous prime is 342108131. The next prime is 342108209. The reversal of 342108197 is 791801243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330912481 + 11195716 = 18191^2 + 3346^2 .

It is a cyclic number.

It is not a de Polignac number, because 342108197 - 2¹⁰ = 342107173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342102197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171054098 + 171054099.

It is an arithmetic number, because the mean of its divisors is an integer number (171054099).

Almost surely, 2^342108197 is an apocalyptic number.

It is an amenable number.

342108197 is a deficient number, since it is larger than the sum of its proper divisors (1).

342108197 is an equidigital number, since it uses as much as digits as its factorization.

342108197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 342108197 is about 18496.1670894269. The cubic root of 342108197 is about 699.3928047504.

The spelling of 342108197 in words is "three hundred forty-two million, one hundred eight thousand, one hundred ninety-seven".