1131440033 has 2 divisors, whose sum is σ = 1131440034. Its totient is φ = 1131440032.

The previous prime is 1131440029. The next prime is 1131440041. The reversal of 1131440033 is 3300441311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1028356624 + 103083409 = 32068^2 + 10153^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131440033 - 2² = 1131440029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131439987 and 1131440014.

It is not a weakly prime, because it can be changed into another prime (1131440003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565720016 + 565720017.

It is an arithmetic number, because the mean of its divisors is an integer number (565720017).

Almost surely, 2^1131440033 is an apocalyptic number.

It is an amenable number.

1131440033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131440033 is an equidigital number, since it uses as much as digits as its factorization.

1131440033 is an evil number, because the sum of its binary digits is even.

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

The square root of 1131440033 is about 33636.8850073844. The cubic root of 1131440033 is about 1042.0227008782.

Adding to 1131440033 its reverse (3300441311), we get a palindrome (4431881344).

The spelling of 1131440033 in words is "one billion, one hundred thirty-one million, four hundred forty thousand, thirty-three".