44031130133 has 4 divisors (see below), whose sum is σ = 44108514060. Its totient is φ = 43953746208.

The previous prime is 44031130127. The next prime is 44031130141. The reversal of 44031130133 is 33103113044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3976311364 + 40054818769 = 63058^2 + 200137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44031130133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44031130099 and 44031130108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44031130163) 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, 38691110 + ... + 38692247.

It is an arithmetic number, because the mean of its divisors is an integer number (11027128515).

Almost surely, 2^44031130133 is an apocalyptic number.

It is an amenable number.

44031130133 is a deficient number, since it is larger than the sum of its proper divisors (77383927).

44031130133 is an equidigital number, since it uses as much as digits as its factorization.

44031130133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77383926.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 44031130133 its reverse (33103113044), we get a palindrome (77134243177).

The spelling of 44031130133 in words is "forty-four billion, thirty-one million, one hundred thirty thousand, one hundred thirty-three".