2044421131 has 4 divisors (see below), whose sum is σ = 2044569600. Its totient is φ = 2044272664.

The previous prime is 2044421117. The next prime is 2044421167. The reversal of 2044421131 is 1311244402.

It is a happy number.

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 2044421131 - 2¹⁹ = 2043896843 is a prime.

It is a super-2 number, since 2×2044421131² = 8359315521758638322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2044421231) 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 3 ways as a sum of consecutive naturals, for example, 51196 + ... + 81913.

It is an arithmetic number, because the mean of its divisors is an integer number (511142400).

Almost surely, 2^2044421131 is an apocalyptic number.

2044421131 is a deficient number, since it is larger than the sum of its proper divisors (148469).

2044421131 is a wasteful number, since it uses less digits than its factorization.

2044421131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148468.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2044421131 is about 45215.2754166111. The cubic root of 2044421131 is about 1269.1806836497.

Adding to 2044421131 its reverse (1311244402), we get a palindrome (3355665533).

The spelling of 2044421131 in words is "two billion, forty-four million, four hundred twenty-one thousand, one hundred thirty-one".