43130221045 has 16 divisors (see below), whose sum is σ = 51877739520. Its totient is φ = 34423295104.

The previous prime is 43130221033. The next prime is 43130221063. The reversal of 43130221045 is 54012203134.

43130221045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 43130221045 - 2¹⁷ = 43130089973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3970812 + ... + 3981658.

It is an arithmetic number, because the mean of its divisors is an integer number (3242358720).

Almost surely, 2^43130221045 is an apocalyptic number.

It is an amenable number.

43130221045 is a deficient number, since it is larger than the sum of its proper divisors (8747518475).

43130221045 is a wasteful number, since it uses less digits than its factorization.

43130221045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12644.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 43130221045 its reverse (54012203134), we get a palindrome (97142424179).

The spelling of 43130221045 in words is "forty-three billion, one hundred thirty million, two hundred twenty-one thousand, forty-five".