324014400100021 has 2 divisors, whose sum is σ = 324014400100022. Its totient is φ = 324014400100020.

The previous prime is 324014400100019. The next prime is 324014400100043. The reversal of 324014400100021 is 120001004410423.

It is a happy number.

It is an a-pointer prime, because the next prime (324014400100043) can be obtained adding 324014400100021 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183386820277521 + 140627579822500 = 13542039^2 + 11858650^2 .

It is a cyclic number.

It is not a de Polignac number, because 324014400100021 - 2¹ = 324014400100019 is a prime.

It is a super-3 number, since 3×324014400100021³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 324014400100019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 324014400099965 and 324014400100001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324014400100051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162007200050010 + 162007200050011.

It is an arithmetic number, because the mean of its divisors is an integer number (162007200050011).

Almost surely, 2^{324014400100021} is an apocalyptic number.

It is an amenable number.

324014400100021 is a deficient number, since it is larger than the sum of its proper divisors (1).

324014400100021 is an equidigital number, since it uses as much as digits as its factorization.

324014400100021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 324014400100021 its reverse (120001004410423), we get a palindrome (444015404510444).

The spelling of 324014400100021 in words is "three hundred twenty-four trillion, fourteen billion, four hundred million, one hundred thousand, twenty-one".