441611231 has 2 divisors, whose sum is σ = 441611232. Its totient is φ = 441611230.

The previous prime is 441611197. The next prime is 441611239. The reversal of 441611231 is 132116144.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441611231 is a prime.

It is a super-2 number, since 2×441611231² = 390040958690670722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 441611197 and 441611206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441611239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220805615 + 220805616.

It is an arithmetic number, because the mean of its divisors is an integer number (220805616).

Almost surely, 2^441611231 is an apocalyptic number.

441611231 is a deficient number, since it is larger than the sum of its proper divisors (1).

441611231 is an equidigital number, since it uses as much as digits as its factorization.

441611231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576, while the sum is 23.

The square root of 441611231 is about 21014.5480798422. The cubic root of 441611231 is about 761.5177604473.

Adding to 441611231 its reverse (132116144), we get a palindrome (573727375).

The spelling of 441611231 in words is "four hundred forty-one million, six hundred eleven thousand, two hundred thirty-one".