43431122 has 8 divisors (see below), whose sum is σ = 74453376. Its totient is φ = 18613332.

The previous prime is 43431121. The next prime is 43431127. The reversal of 43431122 is 22113434.

43431122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 43431094 and 43431103.

It is not an unprimeable number, because it can be changed into a prime (43431121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1551098 + ... + 1551125.

It is an arithmetic number, because the mean of its divisors is an integer number (9306672).

Almost surely, 2^43431122 is an apocalyptic number.

43431122 is a deficient number, since it is larger than the sum of its proper divisors (31022254).

43431122 is a wasteful number, since it uses less digits than its factorization.

43431122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102232.

The product of its digits is 576, while the sum is 20.

The square root of 43431122 is about 6590.2292828095. The cubic root of 43431122 is about 351.5067611794.

Adding to 43431122 its reverse (22113434), we get a palindrome (65544556).

The spelling of 43431122 in words is "forty-three million, four hundred thirty-one thousand, one hundred twenty-two".