22131320312441 has 2 divisors, whose sum is σ = 22131320312442. Its totient is φ = 22131320312440.

The previous prime is 22131320312369. The next prime is 22131320312467. The reversal of 22131320312441 is 14421302313122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22129685808400 + 1634504041 = 4704220^2 + 40429^2 .

It is a cyclic number.

It is not a de Polignac number, because 22131320312441 - 2¹⁸ = 22131320050297 is a prime.

It is not a weakly prime, because it can be changed into another prime (22131320312471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065660156220 + 11065660156221.

It is an arithmetic number, because the mean of its divisors is an integer number (11065660156221).

Almost surely, 2^{22131320312441} is an apocalyptic number.

It is an amenable number.

22131320312441 is a deficient number, since it is larger than the sum of its proper divisors (1).

22131320312441 is an equidigital number, since it uses as much as digits as its factorization.

22131320312441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 22131320312441 its reverse (14421302313122), we get a palindrome (36552622625563).

The spelling of 22131320312441 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred twenty million, three hundred twelve thousand, four hundred forty-one".