44420311231 has 2 divisors, whose sum is σ = 44420311232. Its totient is φ = 44420311230.

The previous prime is 44420311207. The next prime is 44420311237. The reversal of 44420311231 is 13211302444.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44420311231 is a prime.

It is a super-2 number, since 2×44420311231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44420311196 and 44420311205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44420311237) 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 as a sum of consecutive naturals, namely, 22210155615 + 22210155616.

It is an arithmetic number, because the mean of its divisors is an integer number (22210155616).

Almost surely, 2^44420311231 is an apocalyptic number.

44420311231 is a deficient number, since it is larger than the sum of its proper divisors (1).

44420311231 is an equidigital number, since it uses as much as digits as its factorization.

44420311231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 44420311231 its reverse (13211302444), we get a palindrome (57631613675).

The spelling of 44420311231 in words is "forty-four billion, four hundred twenty million, three hundred eleven thousand, two hundred thirty-one".