342321311 has 2 divisors, whose sum is σ = 342321312. Its totient is φ = 342321310.

The previous prime is 342321289. The next prime is 342321349. The reversal of 342321311 is 113123243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342321311 - 2⁶ = 342321247 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342351311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171160655 + 171160656.

It is an arithmetic number, because the mean of its divisors is an integer number (171160656).

Almost surely, 2^342321311 is an apocalyptic number.

342321311 is a deficient number, since it is larger than the sum of its proper divisors (1).

342321311 is an equidigital number, since it uses as much as digits as its factorization.

342321311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 342321311 is about 18501.9272239408. The cubic root of 342321311 is about 699.5380019524.

Adding to 342321311 its reverse (113123243), we get a palindrome (455444554).

The spelling of 342321311 in words is "three hundred forty-two million, three hundred twenty-one thousand, three hundred eleven".