321113064443 has 2 divisors, whose sum is σ = 321113064444. Its totient is φ = 321113064442.

The previous prime is 321113064403. The next prime is 321113064469. The reversal of 321113064443 is 344460311123.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321113064443 is a prime.

It is a super-3 number, since 3×321113064443³ (a number of 35 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 (321113064403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160556532221 + 160556532222.

It is an arithmetic number, because the mean of its divisors is an integer number (160556532222).

Almost surely, 2^321113064443 is an apocalyptic number.

321113064443 is a deficient number, since it is larger than the sum of its proper divisors (1).

321113064443 is an equidigital number, since it uses as much as digits as its factorization.

321113064443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 321113064443 its reverse (344460311123), we get a palindrome (665573375566).

The spelling of 321113064443 in words is "three hundred twenty-one billion, one hundred thirteen million, sixty-four thousand, four hundred forty-three".