1131302330209 has 2 divisors, whose sum is σ = 1131302330210. Its totient is φ = 1131302330208.

The previous prime is 1131302330203. The next prime is 1131302330287. The reversal of 1131302330209 is 9020332031311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 905418856225 + 225883473984 = 951535^2 + 475272^2 .

It is a cyclic number.

It is not a de Polignac number, because 1131302330209 - 2⁹ = 1131302329697 is a prime.

It is not a weakly prime, because it can be changed into another prime (1131302330203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565651165104 + 565651165105.

It is an arithmetic number, because the mean of its divisors is an integer number (565651165105).

Almost surely, 2^{1131302330209} is an apocalyptic number.

It is an amenable number.

1131302330209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1131302330209 is an equidigital number, since it uses as much as digits as its factorization.

1131302330209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The spelling of 1131302330209 in words is "one trillion, one hundred thirty-one billion, three hundred two million, three hundred thirty thousand, two hundred nine".