343411231 has 2 divisors, whose sum is σ = 343411232. Its totient is φ = 343411230.

The previous prime is 343411207. The next prime is 343411241. The reversal of 343411231 is 132114343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343411231 - 2⁹ = 343410719 is a prime.

It is a super-2 number, since 2×343411231² = 235862547153870722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343411241) 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, 171705615 + 171705616.

It is an arithmetic number, because the mean of its divisors is an integer number (171705616).

Almost surely, 2^343411231 is an apocalyptic number.

343411231 is a deficient number, since it is larger than the sum of its proper divisors (1).

343411231 is an equidigital number, since it uses as much as digits as its factorization.

343411231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 343411231 is about 18531.3580452162. The cubic root of 343411231 is about 700.2796372547.

Adding to 343411231 its reverse (132114343), we get a palindrome (475525574).

The spelling of 343411231 in words is "three hundred forty-three million, four hundred eleven thousand, two hundred thirty-one".