1133132321 has 2 divisors, whose sum is σ = 1133132322. Its totient is φ = 1133132320.

The previous prime is 1133132311. The next prime is 1133132387. The reversal of 1133132321 is 1232313311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1123590400 + 9541921 = 33520^2 + 3089^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133132321 - 2⁶ = 1133132257 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1133132293 and 1133132302.

It is not a weakly prime, because it can be changed into another prime (1133132311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566566160 + 566566161.

It is an arithmetic number, because the mean of its divisors is an integer number (566566161).

Almost surely, 2^1133132321 is an apocalyptic number.

It is an amenable number.

1133132321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133132321 is an equidigital number, since it uses as much as digits as its factorization.

1133132321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 20.

The square root of 1133132321 is about 33662.0308507969. The cubic root of 1133132321 is about 1042.5419577605.

Adding to 1133132321 its reverse (1232313311), we get a palindrome (2365445632).

The spelling of 1133132321 in words is "one billion, one hundred thirty-three million, one hundred thirty-two thousand, three hundred twenty-one".