22231123210031 has 4 divisors (see below), whose sum is σ = 22231843650600. Its totient is φ = 22230402769464.

The previous prime is 22231123210019. The next prime is 22231123210133. The reversal of 22231123210031 is 13001232113222.

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 22231123210031 - 2¹⁴ = 22231123193647 is a prime.

It is a super-2 number, since 2×22231123210031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22231123209979 and 22231123210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22231123215031) 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, 360173996 + ... + 360235713.

It is an arithmetic number, because the mean of its divisors is an integer number (5557960912650).

Almost surely, 2^{22231123210031} is an apocalyptic number.

22231123210031 is a deficient number, since it is larger than the sum of its proper divisors (720440569).

22231123210031 is an equidigital number, since it uses as much as digits as its factorization.

22231123210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720440568.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 22231123210031 its reverse (13001232113222), we get a palindrome (35232355323253).

The spelling of 22231123210031 in words is "twenty-two trillion, two hundred thirty-one billion, one hundred twenty-three million, two hundred ten thousand, thirty-one".