4431201331441 has 8 divisors (see below), whose sum is σ = 4476949012424. Its totient is φ = 4385454981120.

The previous prime is 4431201331429. The next prime is 4431201331499. The reversal of 4431201331441 is 1441331021344.

It can be written as a sum of positive squares in 4 ways, for example, as 407878416 + 4430793453025 = 20196^2 + 2104945^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4431201331441 - 2⁷ = 4431201331313 is a prime.

It is a super-2 number, since 2×4431201331441² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4431201331411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7249081 + ... + 7836553.

It is an arithmetic number, because the mean of its divisors is an integer number (559618626553).

Almost surely, 2^{4431201331441} is an apocalyptic number.

It is an amenable number.

4431201331441 is a deficient number, since it is larger than the sum of its proper divisors (45747680983).

4431201331441 is an equidigital number, since it uses as much as digits as its factorization.

4431201331441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665331.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 4431201331441 its reverse (1441331021344), we get a palindrome (5872532352785).

The spelling of 4431201331441 in words is "four trillion, four hundred thirty-one billion, two hundred one million, three hundred thirty-one thousand, four hundred forty-one".