342341309 has 2 divisors, whose sum is σ = 342341310. Its totient is φ = 342341308.

The previous prime is 342341261. The next prime is 342341341. The reversal of 342341309 is 903143243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247181284 + 95160025 = 15722^2 + 9755^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342341309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342341369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171170654 + 171170655.

It is an arithmetic number, because the mean of its divisors is an integer number (171170655).

Almost surely, 2^342341309 is an apocalyptic number.

It is an amenable number.

342341309 is a deficient number, since it is larger than the sum of its proper divisors (1).

342341309 is an equidigital number, since it uses as much as digits as its factorization.

342341309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 342341309 is about 18502.4676462357. The cubic root of 342341309 is about 699.5516237439.

The spelling of 342341309 in words is "three hundred forty-two million, three hundred forty-one thousand, three hundred nine".