441431131 has 4 divisors (see below), whose sum is σ = 441504064. Its totient is φ = 441358200.

The previous prime is 441431083. The next prime is 441431141. The reversal of 441431131 is 131134144.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 441431131 - 2¹³ = 441422939 is a prime.

It is a super-2 number, since 2×441431131² = 389722886831878322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441431141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26475 + ... + 39796.

It is an arithmetic number, because the mean of its divisors is an integer number (110376016).

Almost surely, 2^441431131 is an apocalyptic number.

441431131 is a deficient number, since it is larger than the sum of its proper divisors (72933).

441431131 is an equidigital number, since it uses as much as digits as its factorization.

441431131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72932.

The product of its digits is 576, while the sum is 22.

The square root of 441431131 is about 21010.2625162086. The cubic root of 441431131 is about 761.4142244352.

Adding to 441431131 its reverse (131134144), we get a palindrome (572565275).

The spelling of 441431131 in words is "four hundred forty-one million, four hundred thirty-one thousand, one hundred thirty-one".