343111297 has 2 divisors, whose sum is σ = 343111298. Its totient is φ = 343111296.

The previous prime is 343111283. The next prime is 343111331. The reversal of 343111297 is 792111343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216796176 + 126315121 = 14724^2 + 11239^2 .

It is an emirp because it is prime and its reverse (792111343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343111297 is a prime.

It is not a weakly prime, because it can be changed into another prime (343111207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171555648 + 171555649.

It is an arithmetic number, because the mean of its divisors is an integer number (171555649).

Almost surely, 2^343111297 is an apocalyptic number.

It is an amenable number.

343111297 is a deficient number, since it is larger than the sum of its proper divisors (1).

343111297 is an equidigital number, since it uses as much as digits as its factorization.

343111297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 31.

The square root of 343111297 is about 18523.2636703147. The cubic root of 343111297 is about 700.0757040573.

The spelling of 343111297 in words is "three hundred forty-three million, one hundred eleven thousand, two hundred ninety-seven".