44220242431 has 2 divisors, whose sum is σ = 44220242432. Its totient is φ = 44220242430.

The previous prime is 44220242413. The next prime is 44220242447. The reversal of 44220242431 is 13424202244.

Together with previous prime (44220242413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44220242431 - 2⁷ = 44220242303 is a prime.

It is a super-2 number, since 2×44220242431² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44220242431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44220242471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22110121215 + 22110121216.

It is an arithmetic number, because the mean of its divisors is an integer number (22110121216).

Almost surely, 2^44220242431 is an apocalyptic number.

44220242431 is a deficient number, since it is larger than the sum of its proper divisors (1).

44220242431 is an equidigital number, since it uses as much as digits as its factorization.

44220242431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 44220242431 its reverse (13424202244), we get a palindrome (57644444675).

The spelling of 44220242431 in words is "forty-four billion, two hundred twenty million, two hundred forty-two thousand, four hundred thirty-one".