22320411231331 has 4 divisors (see below), whose sum is σ = 22320420680272. Its totient is φ = 22320401782392.

The previous prime is 22320411231277. The next prime is 22320411231341. The reversal of 22320411231331 is 13313211402322.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22320411231331 is a prime.

It is a super-3 number, since 3×22320411231331³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22320411231331.

It is not an unprimeable number, because it can be changed into a prime (22320411231341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340730 + ... + 7079536.

It is an arithmetic number, because the mean of its divisors is an integer number (5580105170068).

Almost surely, 2^{22320411231331} is an apocalyptic number.

22320411231331 is a deficient number, since it is larger than the sum of its proper divisors (9448941).

22320411231331 is an equidigital number, since it uses as much as digits as its factorization.

22320411231331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9448940.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 22320411231331 its reverse (13313211402322), we get a palindrome (35633622633653).

The spelling of 22320411231331 in words is "twenty-two trillion, three hundred twenty billion, four hundred eleven million, two hundred thirty-one thousand, three hundred thirty-one".