1133210321 has 2 divisors, whose sum is σ = 1133210322. Its totient is φ = 1133210320.

The previous prime is 1133210311. The next prime is 1133210333. The reversal of 1133210321 is 1230123311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1053911296 + 79299025 = 32464^2 + 8905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133210321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1133210321.

It is not a weakly prime, because it can be changed into another prime (1133210311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566605160 + 566605161.

It is an arithmetic number, because the mean of its divisors is an integer number (566605161).

Almost surely, 2^1133210321 is an apocalyptic number.

It is an amenable number.

1133210321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133210321 is an equidigital number, since it uses as much as digits as its factorization.

1133210321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1133210321 is about 33663.1894062342. The cubic root of 1133210321 is about 1042.5658785935.

Adding to 1133210321 its reverse (1230123311), we get a palindrome (2363333632).

The spelling of 1133210321 in words is "one billion, one hundred thirty-three million, two hundred ten thousand, three hundred twenty-one".