1131323033 has 2 divisors, whose sum is σ = 1131323034. Its totient is φ = 1131323032.

The previous prime is 1131323029. The next prime is 1131323051. The reversal of 1131323033 is 3303231311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1115025664 + 16297369 = 33392^2 + 4037^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131323033 - 2² = 1131323029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1131322996 and 1131323014.

It is not a weakly prime, because it can be changed into another prime (1131323533) 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 as a sum of consecutive naturals, namely, 565661516 + 565661517.

It is an arithmetic number, because the mean of its divisors is an integer number (565661517).

Almost surely, 2^1131323033 is an apocalyptic number.

It is an amenable number.

1131323033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131323033 is an equidigital number, since it uses as much as digits as its factorization.

1131323033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 20.

The square root of 1131323033 is about 33635.1458001894. The cubic root of 1131323033 is about 1041.9867817972.

Adding to 1131323033 its reverse (3303231311), we get a palindrome (4434554344).

The spelling of 1131323033 in words is "one billion, one hundred thirty-one million, three hundred twenty-three thousand, thirty-three".