11444303231 has 8 divisors (see below), whose sum is σ = 12080012400. Its totient is φ = 10841964984.

The previous prime is 11444303099. The next prime is 11444303257. The reversal of 11444303231 is 13230344411.

It is a happy number.

It is not a de Polignac number, because 11444303231 - 2³⁰ = 10370561407 is a prime.

It is a super-2 number, since 2×11444303231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11444303231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11444303281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827396 + ... + 841113.

It is an arithmetic number, because the mean of its divisors is an integer number (1510001550).

Almost surely, 2^11444303231 is an apocalyptic number.

11444303231 is a deficient number, since it is larger than the sum of its proper divisors (635709169).

11444303231 is an frugal number, since it uses more digits than its factorization.

11444303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668566 (or 1668528 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 11444303231 its reverse (13230344411), we get a palindrome (24674647642).

The spelling of 11444303231 in words is "eleven billion, four hundred forty-four million, three hundred three thousand, two hundred thirty-one".