3221131121323 has 4 divisors (see below), whose sum is σ = 3289665826080. Its totient is φ = 3152596416568.

The previous prime is 3221131121321. The next prime is 3221131121371. The reversal of 3221131121323 is 3231211311223.

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 3221131121323 - 2¹ = 3221131121321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221131121321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34267352308 + ... + 34267352401.

It is an arithmetic number, because the mean of its divisors is an integer number (822416456520).

Almost surely, 2^{3221131121323} is an apocalyptic number.

3221131121323 is a deficient number, since it is larger than the sum of its proper divisors (68534704757).

3221131121323 is an equidigital number, since it uses as much as digits as its factorization.

3221131121323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68534704756.

The product of its digits is 1296, while the sum is 25.

Adding to 3221131121323 its reverse (3231211311223), we get a palindrome (6452342432546).

The spelling of 3221131121323 in words is "three trillion, two hundred twenty-one billion, one hundred thirty-one million, one hundred twenty-one thousand, three hundred twenty-three".