43140232213 has 4 divisors (see below), whose sum is σ = 46458711628. Its totient is φ = 39821752800.

The previous prime is 43140232199. The next prime is 43140232249. The reversal of 43140232213 is 31223204134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3462380964 + 39677851249 = 58842^2 + 199193^2 .

It is a cyclic number.

It is not a de Polignac number, because 43140232213 - 2¹³ = 43140224021 is a prime.

It is a super-2 number, since 2×43140232213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43140232273) 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, 1659239688 + ... + 1659239713.

It is an arithmetic number, because the mean of its divisors is an integer number (11614677907).

Almost surely, 2^43140232213 is an apocalyptic number.

It is an amenable number.

43140232213 is a deficient number, since it is larger than the sum of its proper divisors (3318479415).

43140232213 is a wasteful number, since it uses less digits than its factorization.

43140232213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3318479414.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 43140232213 its reverse (31223204134), we get a palindrome (74363436347).

The spelling of 43140232213 in words is "forty-three billion, one hundred forty million, two hundred thirty-two thousand, two hundred thirteen".