342645311 has 2 divisors, whose sum is σ = 342645312. Its totient is φ = 342645310.

The previous prime is 342645307. The next prime is 342645313. The reversal of 342645311 is 113546243.

It is a strong prime.

It is an emirp because it is prime and its reverse (113546243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342645311 - 2² = 342645307 is a prime.

Together with 342645313, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_18429401 and since 342645311 and 18429401 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342645313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171322655 + 171322656.

It is an arithmetic number, because the mean of its divisors is an integer number (171322656).

Almost surely, 2^342645311 is an apocalyptic number.

342645311 is a deficient number, since it is larger than the sum of its proper divisors (1).

342645311 is an equidigital number, since it uses as much as digits as its factorization.

342645311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 342645311 is about 18510.6809977375. The cubic root of 342645311 is about 699.7586317489.

The spelling of 342645311 in words is "three hundred forty-two million, six hundred forty-five thousand, three hundred eleven".