10311330209 has 2 divisors, whose sum is σ = 10311330210. Its totient is φ = 10311330208.

The previous prime is 10311330179. The next prime is 10311330221. The reversal of 10311330209 is 90203311301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9093529600 + 1217800609 = 95360^2 + 34897^2 .

It is an emirp because it is prime and its reverse (90203311301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10311330209 - 2²⁰ = 10310281633 is a prime.

It is not a weakly prime, because it can be changed into another prime (10311330269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5155665104 + 5155665105.

It is an arithmetic number, because the mean of its divisors is an integer number (5155665105).

Almost surely, 2^10311330209 is an apocalyptic number.

It is an amenable number.

10311330209 is a deficient number, since it is larger than the sum of its proper divisors (1).

10311330209 is an equidigital number, since it uses as much as digits as its factorization.

10311330209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The spelling of 10311330209 in words is "ten billion, three hundred eleven million, three hundred thirty thousand, two hundred nine".