102313323121 has 2 divisors, whose sum is σ = 102313323122. Its totient is φ = 102313323120.

The previous prime is 102313323103. The next prime is 102313323163. The reversal of 102313323121 is 121323313201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69400106721 + 32913216400 = 263439^2 + 181420^2 .

It is a cyclic number.

It is not a de Polignac number, because 102313323121 - 2²⁹ = 101776452209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102313323092 and 102313323101.

It is not a weakly prime, because it can be changed into another prime (102313323181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51156661560 + 51156661561.

It is an arithmetic number, because the mean of its divisors is an integer number (51156661561).

Almost surely, 2^102313323121 is an apocalyptic number.

It is an amenable number.

102313323121 is a deficient number, since it is larger than the sum of its proper divisors (1).

102313323121 is an equidigital number, since it uses as much as digits as its factorization.

102313323121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 102313323121 its reverse (121323313201), we get a palindrome (223636636322).

The spelling of 102313323121 in words is "one hundred two billion, three hundred thirteen million, three hundred twenty-three thousand, one hundred twenty-one".