44031021 has 4 divisors (see below), whose sum is σ = 58708032. Its totient is φ = 29354012.

The previous prime is 44030989. The next prime is 44031049. The reversal of 44031021 is 12013044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 44031021 - 2⁵ = 44030989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44031061) 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, 7338501 + ... + 7338506.

It is an arithmetic number, because the mean of its divisors is an integer number (14677008).

Almost surely, 2^44031021 is an apocalyptic number.

It is an amenable number.

44031021 is a deficient number, since it is larger than the sum of its proper divisors (14677011).

44031021 is a wasteful number, since it uses less digits than its factorization.

44031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14677010.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 44031021 is about 6635.5874645731. The cubic root of 44031021 is about 353.1177799030.

Adding to 44031021 its reverse (12013044), we get a palindrome (56044065).

The spelling of 44031021 in words is "forty-four million, thirty-one thousand, twenty-one".