44320313231 has 4 divisors (see below), whose sum is σ = 44333751000. Its totient is φ = 44306875464.

The previous prime is 44320313221. The next prime is 44320313249. The reversal of 44320313231 is 13231302344.

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

It is a cyclic number.

It is not a de Polignac number, because 44320313231 - 2¹⁰ = 44320312207 is a prime.

It is a super-2 number, since 2×44320313231² (a number of 22 digits) contains 22 as substring.

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 44320313231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44320313221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6713936 + ... + 6720533.

It is an arithmetic number, because the mean of its divisors is an integer number (11083437750).

Almost surely, 2^44320313231 is an apocalyptic number.

44320313231 is a deficient number, since it is larger than the sum of its proper divisors (13437769).

44320313231 is a wasteful number, since it uses less digits than its factorization.

44320313231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13437768.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 44320313231 its reverse (13231302344), we get a palindrome (57551615575).

The spelling of 44320313231 in words is "forty-four billion, three hundred twenty million, three hundred thirteen thousand, two hundred thirty-one".