444113131 has 16 divisors (see below), whose sum is σ = 555160320. Its totient is φ = 345149280.

The previous prime is 444113101. The next prime is 444113143. The reversal of 444113131 is 131311444.

It is a happy number.

It is not a de Polignac number, because 444113131 - 2²¹ = 442015979 is a prime.

It is a super-2 number, since 2×444113131² = 394472946253246322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (444113101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22540 + ... + 37366.

It is an arithmetic number, because the mean of its divisors is an integer number (34697520).

Almost surely, 2^444113131 is an apocalyptic number.

444113131 is a deficient number, since it is larger than the sum of its proper divisors (111047189).

444113131 is a wasteful number, since it uses less digits than its factorization.

444113131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15234.

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

The square root of 444113131 is about 21073.9918145566. The cubic root of 444113131 is about 762.9531516199.

Adding to 444113131 its reverse (131311444), we get a palindrome (575424575).

The spelling of 444113131 in words is "four hundred forty-four million, one hundred thirteen thousand, one hundred thirty-one".