343122331 has 2 divisors, whose sum is σ = 343122332. Its totient is φ = 343122330.

The previous prime is 343122301. The next prime is 343122361. The reversal of 343122331 is 133221343.

It is a balanced prime because it is at equal distance from previous prime (343122301) and next prime (343122361).

It is an emirp because it is prime and its reverse (133221343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343122331 is a prime.

It is a super-2 number, since 2×343122331² = 235465868061747122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (343122301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171561165 + 171561166.

It is an arithmetic number, because the mean of its divisors is an integer number (171561166).

Almost surely, 2^343122331 is an apocalyptic number.

343122331 is a deficient number, since it is larger than the sum of its proper divisors (1).

343122331 is an equidigital number, since it uses as much as digits as its factorization.

343122331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 22.

The square root of 343122331 is about 18523.5615096018. The cubic root of 343122331 is about 700.0832084760.

Adding to 343122331 its reverse (133221343), we get a palindrome (476343674).

The spelling of 343122331 in words is "three hundred forty-three million, one hundred twenty-two thousand, three hundred thirty-one".