11244243131 has 32 divisors (see below), whose sum is σ = 12774110400. Its totient is φ = 9807782400.

The previous prime is 11244243077. The next prime is 11244243203. The reversal of 11244243131 is 13134244211.

It is not a de Polignac number, because 11244243131 - 2⁶ = 11244243067 is a prime.

It is a super-2 number, since 2×11244243131² (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 11244243131.

It is not an unprimeable number, because it can be changed into a prime (11244243331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9520361 + ... + 9521541.

It is an arithmetic number, because the mean of its divisors is an integer number (399190950).

Almost surely, 2^11244243131 is an apocalyptic number.

11244243131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11244243131 is a deficient number, since it is larger than the sum of its proper divisors (1529867269).

11244243131 is a wasteful number, since it uses less digits than its factorization.

11244243131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535.

The product of its digits is 2304, while the sum is 26.

Adding to 11244243131 its reverse (13134244211), we get a palindrome (24378487342).

The spelling of 11244243131 in words is "eleven billion, two hundred forty-four million, two hundred forty-three thousand, one hundred thirty-one".