342030317 has 2 divisors, whose sum is σ = 342030318. Its totient is φ = 342030316.

The previous prime is 342030313. The next prime is 342030319. The reversal of 342030317 is 713030243.

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., 174741961 + 167288356 = 13219^2 + 12934^2 .

It is a cyclic number.

It is not a de Polignac number, because 342030317 - 2² = 342030313 is a prime.

Together with 342030319, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 342030292 and 342030301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342030313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171015158 + 171015159.

It is an arithmetic number, because the mean of its divisors is an integer number (171015159).

Almost surely, 2^342030317 is an apocalyptic number.

It is an amenable number.

342030317 is a deficient number, since it is larger than the sum of its proper divisors (1).

342030317 is an equidigital number, since it uses as much as digits as its factorization.

342030317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 342030317 is about 18494.0616685465. The cubic root of 342030317 is about 699.3397290998.

The spelling of 342030317 in words is "three hundred forty-two million, thirty thousand, three hundred seventeen".