343734331 has 2 divisors, whose sum is σ = 343734332. Its totient is φ = 343734330.

The previous prime is 343734323. The next prime is 343734337. The reversal of 343734331 is 133437343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343734331 - 2³ = 343734323 is a prime.

It is a super-2 number, since 2×343734331² = 236306580616035122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343734293 and 343734302.

It is not a weakly prime, because it can be changed into another prime (343734337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171867165 + 171867166.

It is an arithmetic number, because the mean of its divisors is an integer number (171867166).

Almost surely, 2^343734331 is an apocalyptic number.

343734331 is a deficient number, since it is larger than the sum of its proper divisors (1).

343734331 is an equidigital number, since it uses as much as digits as its factorization.

343734331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 31.

The square root of 343734331 is about 18540.0736514179. The cubic root of 343734331 is about 700.4991888284.

The spelling of 343734331 in words is "three hundred forty-three million, seven hundred thirty-four thousand, three hundred thirty-one".