11312231244 has 24 divisors (see below), whose sum is σ = 26413191168. Its totient is φ = 3768174480.

The previous prime is 11312231219. The next prime is 11312231251. The reversal of 11312231244 is 44213221311.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302772 + ... + 338075.

It is an arithmetic number, because the mean of its divisors is an integer number (1100549632).

Almost surely, 2^11312231244 is an apocalyptic number.

It is an amenable number.

11312231244 is an abundant number, since it is smaller than the sum of its proper divisors (15100959924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11312231244 is a wasteful number, since it uses less digits than its factorization.

11312231244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642325 (or 642323 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

Adding to 11312231244 its reverse (44213221311), we get a palindrome (55525452555).

It can be divided in two parts, 11312 and 231244, that added together give a triangular number (242556 = T₆₉₆).

The spelling of 11312231244 in words is "eleven billion, three hundred twelve million, two hundred thirty-one thousand, two hundred forty-four".