52031000443321 has 4 divisors (see below), whose sum is σ = 52428183652944. Its totient is φ = 51633817233700.

The previous prime is 52031000443319. The next prime is 52031000443361. The reversal of 52031000443321 is 12334400013025.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52031000443321 - 2¹ = 52031000443319 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52031000443321.

It is not an unprimeable number, because it can be changed into a prime (52031000443361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198591604615 + ... + 198591604876.

It is an arithmetic number, because the mean of its divisors is an integer number (13107045913236).

Almost surely, 2^{52031000443321} is an apocalyptic number.

It is an amenable number.

52031000443321 is a deficient number, since it is larger than the sum of its proper divisors (397183209623).

52031000443321 is a wasteful number, since it uses less digits than its factorization.

52031000443321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397183209622.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 52031000443321 its reverse (12334400013025), we get a palindrome (64365400456346).

The spelling of 52031000443321 in words is "fifty-two trillion, thirty-one billion, four hundred forty-three thousand, three hundred twenty-one".