321446214032143 has 2 divisors, whose sum is σ = 321446214032144. Its totient is φ = 321446214032142.

The previous prime is 321446214032137. The next prime is 321446214032183. The reversal of 321446214032143 is 341230412644123.

It is an a-pointer prime, because the next prime (321446214032183) can be obtained adding 321446214032143 to its sum of digits (40).

It is a weak prime.

It is an emirp because it is prime and its reverse (341230412644123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321446214032143 - 2²⁵ = 321446180477711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321446214032096 and 321446214032105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321446214032183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160723107016071 + 160723107016072.

It is an arithmetic number, because the mean of its divisors is an integer number (160723107016072).

Almost surely, 2^{321446214032143} is an apocalyptic number.

321446214032143 is a deficient number, since it is larger than the sum of its proper divisors (1).

321446214032143 is an equidigital number, since it uses as much as digits as its factorization.

321446214032143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 40.

Adding to 321446214032143 its reverse (341230412644123), we get a palindrome (662676626676266).

The spelling of 321446214032143 in words is "three hundred twenty-one trillion, four hundred forty-six billion, two hundred fourteen million, thirty-two thousand, one hundred forty-three".