22031213303321 has 4 divisors (see below), whose sum is σ = 22036167482112. Its totient is φ = 22026259124532.

The previous prime is 22031213303299. The next prime is 22031213303327. The reversal of 22031213303321 is 12330331213022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22031213303321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22031213303327) 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, 2477082725 + ... + 2477091618.

It is an arithmetic number, because the mean of its divisors is an integer number (5509041870528).

Almost surely, 2^{22031213303321} is an apocalyptic number.

It is an amenable number.

22031213303321 is a deficient number, since it is larger than the sum of its proper divisors (4954178791).

22031213303321 is an equidigital number, since it uses as much as digits as its factorization.

22031213303321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4954178790.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 22031213303321 its reverse (12330331213022), we get a palindrome (34361544516343).

The spelling of 22031213303321 in words is "twenty-two trillion, thirty-one billion, two hundred thirteen million, three hundred three thousand, three hundred twenty-one".