1131105344 has 14 divisors (see below), whose sum is σ = 2244537294. Its totient is φ = 565552640.

The previous prime is 1131105301. The next prime is 1131105389. The reversal of 1131105344 is 4435011311.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 671431744 + 459673600 = 25912^2 + 21440^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8836697 + ... + 8836824.

Almost surely, 2^1131105344 is an apocalyptic number.

It is an amenable number.

1131105344 is a deficient number, since it is larger than the sum of its proper divisors (1113431950).

1131105344 is an equidigital number, since it uses as much as digits as its factorization.

1131105344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17673533 (or 17673523 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1131105344 is about 33631.9096097739. The cubic root of 1131105344 is about 1041.9199445326.

Adding to 1131105344 its reverse (4435011311), we get a palindrome (5566116655).

The spelling of 1131105344 in words is "one billion, one hundred thirty-one million, one hundred five thousand, three hundred forty-four".