1131433313 has 2 divisors, whose sum is σ = 1131433314. Its totient is φ = 1131433312.

The previous prime is 1131433291. The next prime is 1131433327. The reversal of 1131433313 is 3133341311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 730512784 + 400920529 = 27028^2 + 20023^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131433313 - 2¹² = 1131429217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131433343) 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, 565716656 + 565716657.

It is an arithmetic number, because the mean of its divisors is an integer number (565716657).

Almost surely, 2^1131433313 is an apocalyptic number.

It is an amenable number.

1131433313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131433313 is an equidigital number, since it uses as much as digits as its factorization.

1131433313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 23.

The square root of 1131433313 is about 33636.7851168925. The cubic root of 1131433313 is about 1042.0206379006.

Adding to 1131433313 its reverse (3133341311), we get a palindrome (4264774624).

The spelling of 1131433313 in words is "one billion, one hundred thirty-one million, four hundred thirty-three thousand, three hundred thirteen".