343302139 has 2 divisors, whose sum is σ = 343302140. Its totient is φ = 343302138.

The previous prime is 343302133. The next prime is 343302161. The reversal of 343302139 is 931203343.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343302139 - 2¹⁷ = 343171067 is a prime.

It is not a weakly prime, because it can be changed into another prime (343302133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171651069 + 171651070.

It is an arithmetic number, because the mean of its divisors is an integer number (171651070).

Almost surely, 2^343302139 is an apocalyptic number.

343302139 is a deficient number, since it is larger than the sum of its proper divisors (1).

343302139 is an equidigital number, since it uses as much as digits as its factorization.

343302139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 343302139 is about 18528.4143682076. The cubic root of 343302139 is about 700.2054764137.

The spelling of 343302139 in words is "three hundred forty-three million, three hundred two thousand, one hundred thirty-nine".