1131324033 has 16 divisors (see below), whose sum is σ = 1725528960. Its totient is φ = 645868416.

The previous prime is 1131323993. The next prime is 1131324037. The reversal of 1131324033 is 3304231311.

It is not a de Polignac number, because 1131324033 - 2⁸ = 1131323777 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (1131324037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518 + ... + 47591.

It is an arithmetic number, because the mean of its divisors is an integer number (107845560).

Almost surely, 2^1131324033 is an apocalyptic number.

It is an amenable number.

1131324033 is a deficient number, since it is larger than the sum of its proper divisors (594204927).

1131324033 is a wasteful number, since it uses less digits than its factorization.

1131324033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50216.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 1131324033 is about 33635.1606655892. The cubic root of 1131324033 is about 1041.9870888084.

Adding to 1131324033 its reverse (3304231311), we get a palindrome (4435555344).

The spelling of 1131324033 in words is "one billion, one hundred thirty-one million, three hundred twenty-four thousand, thirty-three".