43240131343 has 2 divisors, whose sum is σ = 43240131344. Its totient is φ = 43240131342.

The previous prime is 43240131323. The next prime is 43240131373. The reversal of 43240131343 is 34313104234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43240131343 - 2⁹ = 43240130831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43240131323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21620065671 + 21620065672.

It is an arithmetic number, because the mean of its divisors is an integer number (21620065672).

Almost surely, 2^43240131343 is an apocalyptic number.

43240131343 is a deficient number, since it is larger than the sum of its proper divisors (1).

43240131343 is an equidigital number, since it uses as much as digits as its factorization.

43240131343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 43240131343 its reverse (34313104234), we get a palindrome (77553235577).

The spelling of 43240131343 in words is "forty-three billion, two hundred forty million, one hundred thirty-one thousand, three hundred forty-three".