343813229 has 2 divisors, whose sum is σ = 343813230. Its totient is φ = 343813228.

The previous prime is 343813207. The next prime is 343813271. The reversal of 343813229 is 922318343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 311346025 + 32467204 = 17645^2 + 5698^2 .

It is a cyclic number.

It is not a de Polignac number, because 343813229 - 2²⁸ = 75377773 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 (343833229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171906614 + 171906615.

It is an arithmetic number, because the mean of its divisors is an integer number (171906615).

Almost surely, 2^343813229 is an apocalyptic number.

It is an amenable number.

343813229 is a deficient number, since it is larger than the sum of its proper divisors (1).

343813229 is an equidigital number, since it uses as much as digits as its factorization.

343813229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 343813229 is about 18542.2012986592. The cubic root of 343813229 is about 700.5527803688.

The spelling of 343813229 in words is "three hundred forty-three million, eight hundred thirteen thousand, two hundred twenty-nine".