43244040212231 has 4 divisors (see below), whose sum is σ = 43244699314992. Its totient is φ = 43243381109472.

The previous prime is 43244040212207. The next prime is 43244040212237. The reversal of 43244040212231 is 13221204044234.

It is a happy number.

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 43244040212231 - 2²² = 43244036017927 is a prime.

It is a super-2 number, since 2×43244040212231² (a number of 28 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 (43244040212237) 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, 329452955 + ... + 329584188.

It is an arithmetic number, because the mean of its divisors is an integer number (10811174828748).

Almost surely, 2^{43244040212231} is an apocalyptic number.

43244040212231 is a deficient number, since it is larger than the sum of its proper divisors (659102761).

43244040212231 is an equidigital number, since it uses as much as digits as its factorization.

43244040212231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659102760.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 43244040212231 its reverse (13221204044234), we get a palindrome (56465244256465).

The spelling of 43244040212231 in words is "forty-three trillion, two hundred forty-four billion, forty million, two hundred twelve thousand, two hundred thirty-one".