344131643 has 2 divisors, whose sum is σ = 344131644. Its totient is φ = 344131642.

The previous prime is 344131637. The next prime is 344131657. The reversal of 344131643 is 346131443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344131643 - 2⁸ = 344131387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (344131673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172065821 + 172065822.

It is an arithmetic number, because the mean of its divisors is an integer number (172065822).

Almost surely, 2^344131643 is an apocalyptic number.

344131643 is a deficient number, since it is larger than the sum of its proper divisors (1).

344131643 is an equidigital number, since it uses as much as digits as its factorization.

344131643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

The square root of 344131643 is about 18550.7855089751. The cubic root of 344131643 is about 700.7689801030.

The spelling of 344131643 in words is "three hundred forty-four million, one hundred thirty-one thousand, six hundred forty-three".