342886109 has 2 divisors, whose sum is σ = 342886110. Its totient is φ = 342886108.

The previous prime is 342886091. The next prime is 342886129. The reversal of 342886109 is 901688243.

Together with previous prime (342886091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 341880100 + 1006009 = 18490^2 + 1003^2 .

It is a cyclic number.

It is not a de Polignac number, because 342886109 - 2⁸ = 342885853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342886129) 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, 171443054 + 171443055.

It is an arithmetic number, because the mean of its divisors is an integer number (171443055).

Almost surely, 2^342886109 is an apocalyptic number.

It is an amenable number.

342886109 is a deficient number, since it is larger than the sum of its proper divisors (1).

342886109 is an equidigital number, since it uses as much as digits as its factorization.

342886109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 342886109 is about 18517.1841541850. The cubic root of 342886109 is about 699.9225145524.

The spelling of 342886109 in words is "three hundred forty-two million, eight hundred eighty-six thousand, one hundred nine".