343311229 has 2 divisors, whose sum is σ = 343311230. Its totient is φ = 343311228.

The previous prime is 343311211. The next prime is 343311281. The reversal of 343311229 is 922113343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 289068004 + 54243225 = 17002^2 + 7365^2 .

It is an emirp because it is prime and its reverse (922113343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 343311229 - 2⁹ = 343310717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343311197 and 343311206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343314229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171655614 + 171655615.

It is an arithmetic number, because the mean of its divisors is an integer number (171655615).

Almost surely, 2^343311229 is an apocalyptic number.

It is an amenable number.

343311229 is a deficient number, since it is larger than the sum of its proper divisors (1).

343311229 is an equidigital number, since it uses as much as digits as its factorization.

343311229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 343311229 is about 18528.6596655020. The cubic root of 343311229 is about 700.2116564040.

The spelling of 343311229 in words is "three hundred forty-three million, three hundred eleven thousand, two hundred twenty-nine".