343401231 has 8 divisors (see below), whose sum is σ = 481966720. Its totient is φ = 216884952.

The previous prime is 343401221. The next prime is 343401239. The reversal of 343401231 is 132104343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 343401231 - 2⁷ = 343401103 is a prime.

It is a super-2 number, since 2×343401231² = 235848810904630722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343401198 and 343401207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343401239) 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 in 7 ways as a sum of consecutive naturals, for example, 3012235 + ... + 3012348.

It is an arithmetic number, because the mean of its divisors is an integer number (60245840).

Almost surely, 2^343401231 is an apocalyptic number.

343401231 is a deficient number, since it is larger than the sum of its proper divisors (138565489).

343401231 is a wasteful number, since it uses less digits than its factorization.

343401231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6024605.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 343401231 is about 18531.0882303226. The cubic root of 343401231 is about 700.2728398995.

Adding to 343401231 its reverse (132104343), we get a palindrome (475505574).

The spelling of 343401231 in words is "three hundred forty-three million, four hundred one thousand, two hundred thirty-one".