44430031121 has 6 divisors (see below), whose sum is σ = 51683913810. Its totient is φ = 38082883776.

The previous prime is 44430031081. The next prime is 44430031169. The reversal of 44430031121 is 12113003444.

It can be written as a sum of positive squares in only one way, i.e., 27867628096 + 16562403025 = 166936^2 + 128695^2 .

It is not a de Polignac number, because 44430031121 - 2¹⁴ = 44430014737 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44430031171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 453367616 + ... + 453367713.

It is an arithmetic number, because the mean of its divisors is an integer number (8613985635).

Almost surely, 2^44430031121 is an apocalyptic number.

It is an amenable number.

44430031121 is a deficient number, since it is larger than the sum of its proper divisors (7253882689).

44430031121 is an equidigital number, since it uses as much as digits as its factorization.

44430031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906735343 (or 906735336 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 44430031121 its reverse (12113003444), we get a palindrome (56543034565).

The spelling of 44430031121 in words is "forty-four billion, four hundred thirty million, thirty-one thousand, one hundred twenty-one".