441311321 has 12 divisors (see below), whose sum is σ = 498192996. Its totient is φ = 390345120.

The previous prime is 441311317. The next prime is 441311333. The reversal of 441311321 is 123113144.

It can be written as a sum of positive squares in 2 ways, for example, as 236821321 + 204490000 = 15389^2 + 14300^2 .

It is not a de Polignac number, because 441311321 - 2² = 441311317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 441311293 and 441311302.

It is not an unprimeable number, because it can be changed into a prime (441311371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44810 + ... + 53763.

It is an arithmetic number, because the mean of its divisors is an integer number (41516083).

Almost surely, 2^441311321 is an apocalyptic number.

It is an amenable number.

441311321 is a deficient number, since it is larger than the sum of its proper divisors (56881675).

441311321 is a wasteful number, since it uses less digits than its factorization.

441311321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98632 (or 98621 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 441311321 is about 21007.4110970391. The cubic root of 441311321 is about 761.3453323807.

Adding to 441311321 its reverse (123113144), we get a palindrome (564424465).

The spelling of 441311321 in words is "four hundred forty-one million, three hundred eleven thousand, three hundred twenty-one".