102312030193 has 2 divisors, whose sum is σ = 102312030194. Its totient is φ = 102312030192.

The previous prime is 102312030133. The next prime is 102312030269. The reversal of 102312030193 is 391030213201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102151830544 + 160199649 = 319612^2 + 12657^2 .

It is a cyclic number.

It is not a de Polignac number, because 102312030193 - 2⁹ = 102312029681 is a prime.

It is not a weakly prime, because it can be changed into another prime (102312030133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51156015096 + 51156015097.

It is an arithmetic number, because the mean of its divisors is an integer number (51156015097).

Almost surely, 2^102312030193 is an apocalyptic number.

It is an amenable number.

102312030193 is a deficient number, since it is larger than the sum of its proper divisors (1).

102312030193 is an equidigital number, since it uses as much as digits as its factorization.

102312030193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 102312030193 its reverse (391030213201), we get a palindrome (493342243394).

The spelling of 102312030193 in words is "one hundred two billion, three hundred twelve million, thirty thousand, one hundred ninety-three".