343015349 has 2 divisors, whose sum is σ = 343015350. Its totient is φ = 343015348.

The previous prime is 343015333. The next prime is 343015363. The reversal of 343015349 is 943510343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209728324 + 133287025 = 14482^2 + 11545^2 .

It is a cyclic number.

It is not a de Polignac number, because 343015349 - 2⁴ = 343015333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343015319) 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, 171507674 + 171507675.

It is an arithmetic number, because the mean of its divisors is an integer number (171507675).

Almost surely, 2^343015349 is an apocalyptic number.

It is an amenable number.

343015349 is a deficient number, since it is larger than the sum of its proper divisors (1).

343015349 is an equidigital number, since it uses as much as digits as its factorization.

343015349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 343015349 is about 18520.6735568661. The cubic root of 343015349 is about 700.0104413409.

The spelling of 343015349 in words is "three hundred forty-three million, fifteen thousand, three hundred forty-nine".