440211131311 has 20 divisors (see below), whose sum is σ = 516238372224. Its totient is φ = 375347918400.

The previous prime is 440211131299. The next prime is 440211131317. The reversal of 440211131311 is 113131112044.

It is not a de Polignac number, because 440211131311 - 2¹¹ = 440211129263 is a prime.

It is a super-2 number, since 2×440211131311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440211131317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21370 + ... + 938551.

Almost surely, 2^440211131311 is an apocalyptic number.

440211131311 is a deficient number, since it is larger than the sum of its proper divisors (76027240913).

440211131311 is an frugal number, since it uses more digits than its factorization.

440211131311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960140 (or 960119 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 440211131311 its reverse (113131112044), we get a palindrome (553342243355).

The spelling of 440211131311 in words is "four hundred forty billion, two hundred eleven million, one hundred thirty-one thousand, three hundred eleven".