11030042321 has 2 divisors, whose sum is σ = 11030042322. Its totient is φ = 11030042320.

The previous prime is 11030042263. The next prime is 11030042333. The reversal of 11030042321 is 12324003011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10741042321 + 289000000 = 103639^2 + 17000^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11030042321 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11030042321.

It is not a weakly prime, because it can be changed into another prime (11030042351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515021160 + 5515021161.

It is an arithmetic number, because the mean of its divisors is an integer number (5515021161).

Almost surely, 2^11030042321 is an apocalyptic number.

It is an amenable number.

11030042321 is a deficient number, since it is larger than the sum of its proper divisors (1).

11030042321 is an equidigital number, since it uses as much as digits as its factorization.

11030042321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 11030042321 its reverse (12324003011), we get a palindrome (23354045332).

The spelling of 11030042321 in words is "eleven billion, thirty million, forty-two thousand, three hundred twenty-one".