43221320313334 has 4 divisors (see below), whose sum is σ = 64831980470004. Its totient is φ = 21610660156666.

The previous prime is 43221320313331. The next prime is 43221320313343. The reversal of 43221320313334 is 43331302312234.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 43221320313334.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43221320313331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10805330078332 + ... + 10805330078335.

It is an arithmetic number, because the mean of its divisors is an integer number (16207995117501).

Almost surely, 2^{43221320313334} is an apocalyptic number.

43221320313334 is a deficient number, since it is larger than the sum of its proper divisors (21610660156670).

43221320313334 is a wasteful number, since it uses less digits than its factorization.

43221320313334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21610660156669.

The product of its (nonzero) digits is 93312, while the sum is 34.

Adding to 43221320313334 its reverse (43331302312234), we get a palindrome (86552622625568).

The spelling of 43221320313334 in words is "forty-three trillion, two hundred twenty-one billion, three hundred twenty million, three hundred thirteen thousand, three hundred thirty-four".