343281413 has 2 divisors, whose sum is σ = 343281414. Its totient is φ = 343281412.

The previous prime is 343281377. The next prime is 343281451. The reversal of 343281413 is 314182343.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 343249729 + 31684 = 18527^2 + 178^2 .

It is an emirp because it is prime and its reverse (314182343) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343281413 is a prime.

It is a super-2 number, since 2×343281413² = 235684257022553138, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343281473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171640706 + 171640707.

It is an arithmetic number, because the mean of its divisors is an integer number (171640707).

Almost surely, 2^343281413 is an apocalyptic number.

It is an amenable number.

343281413 is a deficient number, since it is larger than the sum of its proper divisors (1).

343281413 is an equidigital number, since it uses as much as digits as its factorization.

343281413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 29.

The square root of 343281413 is about 18527.8550566438. The cubic root of 343281413 is about 700.1913850841.

The spelling of 343281413 in words is "three hundred forty-three million, two hundred eighty-one thousand, four hundred thirteen".