1131340304 has 10 divisors (see below), whose sum is σ = 2191971870. Its totient is φ = 565670144.

The previous prime is 1131340303. The next prime is 1131340333. The reversal of 1131340304 is 4030431311.

It can be written as a sum of positive squares in only one way, i.e., 1111555600 + 19784704 = 33340^2 + 4448^2 .

It is not an unprimeable number, because it can be changed into a prime (1131340303) 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 as a sum of consecutive naturals, namely, 35354369 + ... + 35354400.

It is an arithmetic number, because the mean of its divisors is an integer number (219197187).

Almost surely, 2^1131340304 is an apocalyptic number.

It is an amenable number.

1131340304 is a deficient number, since it is larger than the sum of its proper divisors (1060631566).

1131340304 is an equidigital number, since it uses as much as digits as its factorization.

1131340304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70708777 (or 70708771 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1131340304 is about 33635.4025395862. The cubic root of 1131340304 is about 1041.9920841620.

Adding to 1131340304 its reverse (4030431311), we get a palindrome (5161771615).

The spelling of 1131340304 in words is "one billion, one hundred thirty-one million, three hundred forty thousand, three hundred four".