43312234231 has 8 divisors (see below), whose sum is σ = 49776232320. Its totient is φ = 36917370168.

The previous prime is 43312234183. The next prime is 43312234271. The reversal of 43312234231 is 13243221334.

It is a happy number.

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

It is not a de Polignac number, because 43312234231 - 2⁷ = 43312234103 is a prime.

It is a super-2 number, since 2×43312234231² (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 43312234231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43312234271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17282161 + ... + 17284666.

It is an arithmetic number, because the mean of its divisors is an integer number (6222029040).

Almost surely, 2^43312234231 is an apocalyptic number.

43312234231 is a deficient number, since it is larger than the sum of its proper divisors (6463998089).

43312234231 is a wasteful number, since it uses less digits than its factorization.

43312234231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34567013.

The product of its digits is 10368, while the sum is 28.

Adding to 43312234231 its reverse (13243221334), we get a palindrome (56555455565).

The spelling of 43312234231 in words is "forty-three billion, three hundred twelve million, two hundred thirty-four thousand, two hundred thirty-one".