342313109 has 2 divisors, whose sum is σ = 342313110. Its totient is φ = 342313108.

The previous prime is 342313091. The next prime is 342313123. The reversal of 342313109 is 901313243.

It is a happy number.

Together with previous prime (342313091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315169009 + 27144100 = 17753^2 + 5210^2 .

It is a cyclic number.

It is not a de Polignac number, because 342313109 - 2¹⁶ = 342247573 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342316109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171156554 + 171156555.

It is an arithmetic number, because the mean of its divisors is an integer number (171156555).

Almost surely, 2^342313109 is an apocalyptic number.

It is an amenable number.

342313109 is a deficient number, since it is larger than the sum of its proper divisors (1).

342313109 is an equidigital number, since it uses as much as digits as its factorization.

342313109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 342313109 is about 18501.7055700279. The cubic root of 342313109 is about 699.5324149436.

The spelling of 342313109 in words is "three hundred forty-two million, three hundred thirteen thousand, one hundred nine".