44012131 has 4 divisors (see below), whose sum is σ = 44108064. Its totient is φ = 43916200.

The previous prime is 44012123. The next prime is 44012153. The reversal of 44012131 is 13121044.

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 44012131 - 2³ = 44012123 is a prime.

It is a super-2 number, since 2×44012131² = 3874135350322322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44012431) 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, 47275 + ... + 48196.

It is an arithmetic number, because the mean of its divisors is an integer number (11027016).

Almost surely, 2^44012131 is an apocalyptic number.

44012131 is a deficient number, since it is larger than the sum of its proper divisors (95933).

44012131 is an equidigital number, since it uses as much as digits as its factorization.

44012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95932.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 44012131 is about 6634.1639262231. The cubic root of 44012131 is about 353.0672749875.

Adding to 44012131 its reverse (13121044), we get a palindrome (57133175).

The spelling of 44012131 in words is "forty-four million, twelve thousand, one hundred thirty-one".