44431322313445 has 4 divisors (see below), whose sum is σ = 53317586776140. Its totient is φ = 35545057850752.

The previous prime is 44431322313397. The next prime is 44431322313451. The reversal of 44431322313445 is 54431322313444.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28375842302404 + 16055480011041 = 5326898^2 + 4006929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44431322313445 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4443132231340 + ... + 4443132231349.

It is an arithmetic number, because the mean of its divisors is an integer number (13329396694035).

Almost surely, 2^{44431322313445} is an apocalyptic number.

It is an amenable number.

44431322313445 is a deficient number, since it is larger than the sum of its proper divisors (8886264462695).

44431322313445 is an equidigital number, since it uses as much as digits as its factorization.

44431322313445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8886264462694.

The product of its digits is 1658880, while the sum is 43.

Adding to 44431322313445 its reverse (54431322313444), we get a palindrome (98862644626889).

Subtracting 44431322313445 from its reverse (54431322313444), we obtain a palindrome (9999999999999).

The spelling of 44431322313445 in words is "forty-four trillion, four hundred thirty-one billion, three hundred twenty-two million, three hundred thirteen thousand, four hundred forty-five".