44244131121131 has 4 divisors (see below), whose sum is σ = 44509066038192. Its totient is φ = 43979196204072.

The previous prime is 44244131121109. The next prime is 44244131121191. The reversal of 44244131121131 is 13112113144244.

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 44244131121131 - 2³⁰ = 44243057379307 is a prime.

It is a super-2 number, since 2×44244131121131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44244131121101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132467458280 + ... + 132467458613.

It is an arithmetic number, because the mean of its divisors is an integer number (11127266509548).

Almost surely, 2^{44244131121131} is an apocalyptic number.

44244131121131 is a deficient number, since it is larger than the sum of its proper divisors (264934917061).

44244131121131 is a wasteful number, since it uses less digits than its factorization.

44244131121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264934917060.

The product of its digits is 9216, while the sum is 32.

Adding to 44244131121131 its reverse (13112113144244), we get a palindrome (57356244265375).

The spelling of 44244131121131 in words is "forty-four trillion, two hundred forty-four billion, one hundred thirty-one million, one hundred twenty-one thousand, one hundred thirty-one".