343233431 has 2 divisors, whose sum is σ = 343233432. Its totient is φ = 343233430.

The previous prime is 343233403. The next prime is 343233463. The reversal of 343233431 is 134332343.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343233431 - 2⁶ = 343233367 is a prime.

It is a super-2 number, since 2×343233431² = 235618376312063522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 343233431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343233491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171616715 + 171616716.

It is an arithmetic number, because the mean of its divisors is an integer number (171616716).

Almost surely, 2^343233431 is an apocalyptic number.

343233431 is a deficient number, since it is larger than the sum of its proper divisors (1).

343233431 is an equidigital number, since it uses as much as digits as its factorization.

343233431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 26.

The square root of 343233431 is about 18526.5601502276. The cubic root of 343233431 is about 700.1587605889.

Adding to 343233431 its reverse (134332343), we get a palindrome (477565774).

It can be divided in two parts, 3432 and 33431, that added together give a palindrome (36863).

The spelling of 343233431 in words is "three hundred forty-three million, two hundred thirty-three thousand, four hundred thirty-one".