441811231 has 2 divisors, whose sum is σ = 441811232. Its totient is φ = 441811230.

The previous prime is 441811229. The next prime is 441811277. The reversal of 441811231 is 132118144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441811231 - 2¹ = 441811229 is a prime.

It is a super-2 number, since 2×441811231² = 390394327675470722, which contains 22 as substring.

Together with 441811229, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 441811196 and 441811205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441811211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220905615 + 220905616.

It is an arithmetic number, because the mean of its divisors is an integer number (220905616).

Almost surely, 2^441811231 is an apocalyptic number.

441811231 is a deficient number, since it is larger than the sum of its proper divisors (1).

441811231 is an equidigital number, since it uses as much as digits as its factorization.

441811231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 25.

The square root of 441811231 is about 21019.3061493476. The cubic root of 441811231 is about 761.6327036032.

Adding to 441811231 its reverse (132118144), we get a palindrome (573929375).

The spelling of 441811231 in words is "four hundred forty-one million, eight hundred eleven thousand, two hundred thirty-one".