343432231 has 2 divisors, whose sum is σ = 343432232. Its totient is φ = 343432230.

The previous prime is 343432217. The next prime is 343432241. The reversal of 343432231 is 132234343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343432231 - 2²³ = 335043623 is a prime.

It is a super-2 number, since 2×343432231² = 235891394579274722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343432196 and 343432205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343432211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171716115 + 171716116.

It is an arithmetic number, because the mean of its divisors is an integer number (171716116).

Almost surely, 2^343432231 is an apocalyptic number.

343432231 is a deficient number, since it is larger than the sum of its proper divisors (1).

343432231 is an equidigital number, since it uses as much as digits as its factorization.

343432231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 25.

The square root of 343432231 is about 18531.9246437061. The cubic root of 343432231 is about 700.2939112711.

Adding to 343432231 its reverse (132234343), we get a palindrome (475666574).

The spelling of 343432231 in words is "three hundred forty-three million, four hundred thirty-two thousand, two hundred thirty-one".