22323131224321 has 2 divisors, whose sum is σ = 22323131224322. Its totient is φ = 22323131224320.

The previous prime is 22323131224279. The next prime is 22323131224349. The reversal of 22323131224321 is 12342213132322.

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., 19879336890625 + 2443794333696 = 4458625^2 + 1563264^2 .

It is a cyclic number.

It is not a de Polignac number, because 22323131224321 - 2¹³ = 22323131216129 is a prime.

It is a super-3 number, since 3×22323131224321³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (22323131224421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161565612160 + 11161565612161.

It is an arithmetic number, because the mean of its divisors is an integer number (11161565612161).

Almost surely, 2^{22323131224321} is an apocalyptic number.

It is an amenable number.

22323131224321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22323131224321 is an equidigital number, since it uses as much as digits as its factorization.

22323131224321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

Adding to 22323131224321 its reverse (12342213132322), we get a palindrome (34665344356643).

The spelling of 22323131224321 in words is "twenty-two trillion, three hundred twenty-three billion, one hundred thirty-one million, two hundred twenty-four thousand, three hundred twenty-one".