11244203231 has 4 divisors (see below), whose sum is σ = 11267292432. Its totient is φ = 11221114032.

The previous prime is 11244203227. The next prime is 11244203279. The reversal of 11244203231 is 13230244211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13230244211 = 9157 ⋅1444823.

It is a cyclic number.

It is not a de Polignac number, because 11244203231 - 2² = 11244203227 is a prime.

It is a super-2 number, since 2×11244203231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11244203197 and 11244203206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11244203731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11543870 + ... + 11544843.

It is an arithmetic number, because the mean of its divisors is an integer number (2816823108).

Almost surely, 2^11244203231 is an apocalyptic number.

11244203231 is a deficient number, since it is larger than the sum of its proper divisors (23089201).

11244203231 is an equidigital number, since it uses as much as digits as its factorization.

11244203231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23089200.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11244203231 its reverse (13230244211), we get a palindrome (24474447442).

The spelling of 11244203231 in words is "eleven billion, two hundred forty-four million, two hundred three thousand, two hundred thirty-one".