1131323304 has 32 divisors (see below), whose sum is σ = 2829176640. Its totient is φ = 376992000.

The previous prime is 1131323279. The next prime is 1131323309. The reversal of 1131323304 is 4033231311.

It is not an unprimeable number, because it can be changed into a prime (1131323309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114064 + ... + 123584.

It is an arithmetic number, because the mean of its divisors is an integer number (88411770).

Almost surely, 2^1131323304 is an apocalyptic number.

It is an amenable number.

1131323304 is an abundant number, since it is smaller than the sum of its proper divisors (1697853336).

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

1131323304 is a wasteful number, since it uses less digits than its factorization.

1131323304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14481 (or 14477 counting only the distinct ones).

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

The square root of 1131323304 is about 33635.1498287134. The cubic root of 1131323304 is about 1041.9868649973.

Adding to 1131323304 its reverse (4033231311), we get a palindrome (5164554615).

The spelling of 1131323304 in words is "one billion, one hundred thirty-one million, three hundred twenty-three thousand, three hundred four".