43030341221 has 12 divisors (see below), whose sum is σ = 50059957932. Its totient is φ = 36880014528.

The previous prime is 43030341173. The next prime is 43030341227. The reversal of 43030341221 is 12214303034.

It can be written as a sum of positive squares in 2 ways, for example, as 12093400900 + 30936940321 = 109970^2 + 175889^2 .

It is not a de Polignac number, because 43030341221 - 2¹⁴ = 43030324837 is a prime.

It is a super-2 number, since 2×43030341221² (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 (43030341227) 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 11 ways as a sum of consecutive naturals, for example, 687011 + ... + 747023.

It is an arithmetic number, because the mean of its divisors is an integer number (4171663161).

Almost surely, 2^43030341221 is an apocalyptic number.

It is an amenable number.

43030341221 is a deficient number, since it is larger than the sum of its proper divisors (7029616711).

43030341221 is a wasteful number, since it uses less digits than its factorization.

43030341221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74660 (or 74653 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 43030341221 its reverse (12214303034), we get a palindrome (55244644255).

The spelling of 43030341221 in words is "forty-three billion, thirty million, three hundred forty-one thousand, two hundred twenty-one".