1133333321 has 2 divisors, whose sum is σ = 1133333322. Its totient is φ = 1133333320.

The previous prime is 1133333297. The next prime is 1133333329. The reversal of 1133333321 is 1233333311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1133062921 + 270400 = 33661^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133333321 - 2¹⁰ = 1133332297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1133333329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566666660 + 566666661.

It is an arithmetic number, because the mean of its divisors is an integer number (566666661).

Almost surely, 2^1133333321 is an apocalyptic number.

It is an amenable number.

1133333321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133333321 is an equidigital number, since it uses as much as digits as its factorization.

1133333321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 23.

The square root of 1133333321 is about 33665.0162780296. The cubic root of 1133333321 is about 1042.6035976769.

Adding to 1133333321 its reverse (1233333311), we get a palindrome (2366666632).

The spelling of 1133333321 in words is "one billion, one hundred thirty-three million, three hundred thirty-three thousand, three hundred twenty-one".