44001131 has 4 divisors (see below), whose sum is σ = 46317000. Its totient is φ = 41685264.

The previous prime is 44001127. The next prime is 44001143. The reversal of 44001131 is 13110044.

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 44001131 - 2² = 44001127 is a prime.

It is a super-2 number, since 2×44001131² = 3872199058558322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44001101) 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, 1157906 + ... + 1157943.

It is an arithmetic number, because the mean of its divisors is an integer number (11579250).

Almost surely, 2^44001131 is an apocalyptic number.

44001131 is a deficient number, since it is larger than the sum of its proper divisors (2315869).

44001131 is a wasteful number, since it uses less digits than its factorization.

44001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315868.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 44001131 is about 6633.3348324956. The cubic root of 44001131 is about 353.0378583733.

Adding to 44001131 its reverse (13110044), we get a palindrome (57111175).

The spelling of 44001131 in words is "forty-four million, one thousand, one hundred thirty-one".