342005311 has 2 divisors, whose sum is σ = 342005312. Its totient is φ = 342005310.

The previous prime is 342005309. The next prime is 342005327. The reversal of 342005311 is 113500243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342005311 - 2¹ = 342005309 is a prime.

Together with 342005309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342005351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171002655 + 171002656.

It is an arithmetic number, because the mean of its divisors is an integer number (171002656).

Almost surely, 2^342005311 is an apocalyptic number.

342005311 is a deficient number, since it is larger than the sum of its proper divisors (1).

342005311 is an equidigital number, since it uses as much as digits as its factorization.

342005311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 342005311 is about 18493.3856013441. The cubic root of 342005311 is about 699.3226856638.

Adding to 342005311 its reverse (113500243), we get a palindrome (455505554).

The spelling of 342005311 in words is "three hundred forty-two million, five thousand, three hundred eleven".