43141340213 has 4 divisors (see below), whose sum is σ = 43142379168. Its totient is φ = 43140301260.

The previous prime is 43141340201. The next prime is 43141340243. The reversal of 43141340213 is 31204314134.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43141340213 - 2⁴ = 43141340197 is a prime.

It is a super-2 number, since 2×43141340213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43141340243) 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 in 3 ways as a sum of consecutive naturals, for example, 454481 + ... + 541142.

It is an arithmetic number, because the mean of its divisors is an integer number (10785594792).

Almost surely, 2^43141340213 is an apocalyptic number.

It is an amenable number.

43141340213 is a deficient number, since it is larger than the sum of its proper divisors (1038955).

43141340213 is an equidigital number, since it uses as much as digits as its factorization.

43141340213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038954.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 43141340213 its reverse (31204314134), we get a palindrome (74345654347).

The spelling of 43141340213 in words is "forty-three billion, one hundred forty-one million, three hundred forty thousand, two hundred thirteen".