343110431 has 2 divisors, whose sum is σ = 343110432. Its totient is φ = 343110430.

The previous prime is 343110419. The next prime is 343110451. The reversal of 343110431 is 134011343.

It is an a-pointer prime, because the next prime (343110451) can be obtained adding 343110431 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 343110431 - 2⁶ = 343110367 is a prime.

It is a super-2 number, since 2×343110431² = 235449535722011522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343110451) 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, 171555215 + 171555216.

It is an arithmetic number, because the mean of its divisors is an integer number (171555216).

Almost surely, 2^343110431 is an apocalyptic number.

343110431 is a deficient number, since it is larger than the sum of its proper divisors (1).

343110431 is an equidigital number, since it uses as much as digits as its factorization.

343110431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 343110431 is about 18523.2402942898. The cubic root of 343110431 is about 700.0751150686.

Adding to 343110431 its reverse (134011343), we get a palindrome (477121774).

The spelling of 343110431 in words is "three hundred forty-three million, one hundred ten thousand, four hundred thirty-one".