43223133131 has 16 divisors (see below), whose sum is σ = 45936072000. Its totient is φ = 40529338368.

The previous prime is 43223133067. The next prime is 43223133169. The reversal of 43223133131 is 13133132234.

It is a cyclic number.

It is not a de Polignac number, because 43223133131 - 2⁶ = 43223133067 is a prime.

It is a super-2 number, since 2×43223133131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43223133131.

It is not an unprimeable number, because it can be changed into a prime (43223133181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9247211 + ... + 9251883.

It is an arithmetic number, because the mean of its divisors is an integer number (2871004500).

Almost surely, 2^43223133131 is an apocalyptic number.

43223133131 is a deficient number, since it is larger than the sum of its proper divisors (2712938869).

43223133131 is a wasteful number, since it uses less digits than its factorization.

43223133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6598.

The product of its digits is 3888, while the sum is 26.

Adding to 43223133131 its reverse (13133132234), we get a palindrome (56356265365).

The spelling of 43223133131 in words is "forty-three billion, two hundred twenty-three million, one hundred thirty-three thousand, one hundred thirty-one".