1131314244 has 48 divisors (see below), whose sum is σ = 2761516800. Its totient is φ = 360000256.

The previous prime is 1131314243. The next prime is 1131314287. The reversal of 1131314244 is 4424131311.

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

It is not an unprimeable number, because it can be changed into a prime (1131314243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12709 + ... + 49235.

It is an arithmetic number, because the mean of its divisors is an integer number (57531600).

Almost surely, 2^1131314244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131314244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380758400).

1131314244 is an abundant number, since it is smaller than the sum of its proper divisors (1630202556).

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

1131314244 is a wasteful number, since it uses less digits than its factorization.

1131314244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36652 (or 36650 counting only the distinct ones).

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

The square root of 1131314244 is about 33635.0151479080. The cubic root of 1131314244 is about 1041.9840834681.

Adding to 1131314244 its reverse (4424131311), we get a palindrome (5555445555).

The spelling of 1131314244 in words is "one billion, one hundred thirty-one million, three hundred fourteen thousand, two hundred forty-four".