343146317 has 2 divisors, whose sum is σ = 343146318. Its totient is φ = 343146316.

The previous prime is 343146313. The next prime is 343146371. The reversal of 343146317 is 713641343.

Together with next prime (343146371) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222278281 + 120868036 = 14909^2 + 10994^2 .

It is a cyclic number.

It is not a de Polignac number, because 343146317 - 2² = 343146313 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 (343146311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171573158 + 171573159.

It is an arithmetic number, because the mean of its divisors is an integer number (171573159).

Almost surely, 2^343146317 is an apocalyptic number.

It is an amenable number.

343146317 is a deficient number, since it is larger than the sum of its proper divisors (1).

343146317 is an equidigital number, since it uses as much as digits as its factorization.

343146317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 32.

The square root of 343146317 is about 18524.2089439738. The cubic root of 343146317 is about 700.0995212242.

The spelling of 343146317 in words is "three hundred forty-three million, one hundred forty-six thousand, three hundred seventeen".