43241222431 has 4 divisors (see below), whose sum is σ = 47172242664. Its totient is φ = 39310202200.

The previous prime is 43241222411. The next prime is 43241222441. The reversal of 43241222431 is 13422214234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43241222431 - 2²⁹ = 42704351519 is a prime.

It is a super-2 number, since 2×43241222431² (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 43241222431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43241222411) 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, 1965510100 + ... + 1965510121.

It is an arithmetic number, because the mean of its divisors is an integer number (11793060666).

Almost surely, 2^43241222431 is an apocalyptic number.

43241222431 is a deficient number, since it is larger than the sum of its proper divisors (3931020233).

43241222431 is a wasteful number, since it uses less digits than its factorization.

43241222431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3931020232.

The product of its digits is 9216, while the sum is 28.

Adding to 43241222431 its reverse (13422214234), we get a palindrome (56663436665).

The spelling of 43241222431 in words is "forty-three billion, two hundred forty-one million, two hundred twenty-two thousand, four hundred thirty-one".