43133203213 has 4 divisors (see below), whose sum is σ = 44298965500. Its totient is φ = 41967440928.

The previous prime is 43133203177. The next prime is 43133203231. The reversal of 43133203213 is 31230233134.

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 38041381764 + 5091821449 = 195042^2 + 71357^2 .

It is a cyclic number.

It is not a de Polignac number, because 43133203213 - 2²¹ = 43131106061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43133203283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582881088 + ... + 582881161.

It is an arithmetic number, because the mean of its divisors is an integer number (11074741375).

Almost surely, 2^43133203213 is an apocalyptic number.

It is an amenable number.

43133203213 is a deficient number, since it is larger than the sum of its proper divisors (1165762287).

43133203213 is a wasteful number, since it uses less digits than its factorization.

43133203213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165762286.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 43133203213 its reverse (31230233134), we get a palindrome (74363436347).

The spelling of 43133203213 in words is "forty-three billion, one hundred thirty-three million, two hundred three thousand, two hundred thirteen".