102311965009 has 2 divisors, whose sum is σ = 102311965010. Its totient is φ = 102311965008.

The previous prime is 102311965003. The next prime is 102311965013. The reversal of 102311965009 is 900569113201.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60329184400 + 41982780609 = 245620^2 + 204897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102311965009 is a prime.

It is not a weakly prime, because it can be changed into another prime (102311965003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51155982504 + 51155982505.

It is an arithmetic number, because the mean of its divisors is an integer number (51155982505).

Almost surely, 2^102311965009 is an apocalyptic number.

It is an amenable number.

102311965009 is a deficient number, since it is larger than the sum of its proper divisors (1).

102311965009 is an equidigital number, since it uses as much as digits as its factorization.

102311965009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 37.

The spelling of 102311965009 in words is "one hundred two billion, three hundred eleven million, nine hundred sixty-five thousand, nine".