43122331311321 has 8 divisors (see below), whose sum is σ = 57498691232224. Its totient is φ = 28747096132320.

The previous prime is 43122331311289. The next prime is 43122331311391. The reversal of 43122331311321 is 12311313322134.

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

It is not a de Polignac number, because 43122331311321 - 2⁵ = 43122331311289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43122331311391) 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, 281096011 + ... + 281249376.

It is an arithmetic number, because the mean of its divisors is an integer number (7187336404028).

Almost surely, 2^{43122331311321} is an apocalyptic number.

It is an amenable number.

43122331311321 is a deficient number, since it is larger than the sum of its proper divisors (14376359920903).

43122331311321 is a wasteful number, since it uses less digits than its factorization.

43122331311321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562370951.

The product of its digits is 7776, while the sum is 30.

Adding to 43122331311321 its reverse (12311313322134), we get a palindrome (55433644633455).

The spelling of 43122331311321 in words is "forty-three trillion, one hundred twenty-two billion, three hundred thirty-one million, three hundred eleven thousand, three hundred twenty-one".