43241432231 has 4 divisors (see below), whose sum is σ = 44161462752. Its totient is φ = 42321401712.

The previous prime is 43241432173. The next prime is 43241432243. The reversal of 43241432231 is 13223414234.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43241432231 is a prime.

It is a super-2 number, since 2×43241432231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43241432194 and 43241432203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43241432291) 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 3 ways as a sum of consecutive naturals, for example, 460015190 + ... + 460015283.

It is an arithmetic number, because the mean of its divisors is an integer number (11040365688).

Almost surely, 2^43241432231 is an apocalyptic number.

43241432231 is a deficient number, since it is larger than the sum of its proper divisors (920030521).

43241432231 is an equidigital number, since it uses as much as digits as its factorization.

43241432231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920030520.

The product of its digits is 13824, while the sum is 29.

Adding to 43241432231 its reverse (13223414234), we get a palindrome (56464846465).

The spelling of 43241432231 in words is "forty-three billion, two hundred forty-one million, four hundred thirty-two thousand, two hundred thirty-one".