1044431131 has 2 divisors, whose sum is σ = 1044431132. Its totient is φ = 1044431130.

The previous prime is 1044431117. The next prime is 1044431147. The reversal of 1044431131 is 1311344401.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1044431131 - 2¹¹ = 1044429083 is a prime.

It is a super-2 number, since 2×1044431131² = 2181672774803878322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1044431191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522215565 + 522215566.

It is an arithmetic number, because the mean of its divisors is an integer number (522215566).

Almost surely, 2^1044431131 is an apocalyptic number.

1044431131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044431131 is an equidigital number, since it uses as much as digits as its factorization.

1044431131 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1044431131 is about 32317.6597389106. The cubic root of 1044431131 is about 1014.5962887665.

Adding to 1044431131 its reverse (1311344401), we get a palindrome (2355775532).

The spelling of 1044431131 in words is "one billion, forty-four million, four hundred thirty-one thousand, one hundred thirty-one".