102304321213 has 2 divisors, whose sum is σ = 102304321214. Its totient is φ = 102304321212.

The previous prime is 102304321193. The next prime is 102304321219. The reversal of 102304321213 is 312123403201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74536098169 + 27768223044 = 273013^2 + 166638^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102304321213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102304321219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51152160606 + 51152160607.

It is an arithmetic number, because the mean of its divisors is an integer number (51152160607).

Almost surely, 2^102304321213 is an apocalyptic number.

It is an amenable number.

102304321213 is a deficient number, since it is larger than the sum of its proper divisors (1).

102304321213 is an equidigital number, since it uses as much as digits as its factorization.

102304321213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 102304321213 its reverse (312123403201), we get a palindrome (414427724414).

The spelling of 102304321213 in words is "one hundred two billion, three hundred four million, three hundred twenty-one thousand, two hundred thirteen".