343238431 has 2 divisors, whose sum is σ = 343238432. Its totient is φ = 343238430.

The previous prime is 343238339. The next prime is 343238443. The reversal of 343238431 is 134832343.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 343238431 - 2⁷ = 343238303 is a prime.

It is a super-2 number, since 2×343238431² = 235625241030683522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 343238393 and 343238402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343233431) 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, 171619215 + 171619216.

It is an arithmetic number, because the mean of its divisors is an integer number (171619216).

Almost surely, 2^343238431 is an apocalyptic number.

343238431 is a deficient number, since it is larger than the sum of its proper divisors (1).

343238431 is an equidigital number, since it uses as much as digits as its factorization.

343238431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 31.

The square root of 343238431 is about 18526.6950911381. The cubic root of 343238431 is about 700.1621603906.

The spelling of 343238431 in words is "three hundred forty-three million, two hundred thirty-eight thousand, four hundred thirty-one".