44131311121 has 16 divisors (see below), whose sum is σ = 45902001600. Its totient is φ = 42377630400.

The previous prime is 44131311083. The next prime is 44131311127. The reversal of 44131311121 is 12111313144.

It is not a de Polignac number, because 44131311121 - 2⁹ = 44131310609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44131311092 and 44131311101.

It is not an unprimeable number, because it can be changed into a prime (44131311127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7242286 + ... + 7248376.

It is an arithmetic number, because the mean of its divisors is an integer number (2868875100).

Almost surely, 2^44131311121 is an apocalyptic number.

It is an amenable number.

44131311121 is a deficient number, since it is larger than the sum of its proper divisors (1770690479).

44131311121 is a wasteful number, since it uses less digits than its factorization.

44131311121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440.

The product of its digits is 288, while the sum is 22.

Adding to 44131311121 its reverse (12111313144), we get a palindrome (56242624265).

The spelling of 44131311121 in words is "forty-four billion, one hundred thirty-one million, three hundred eleven thousand, one hundred twenty-one".