102310120321 has 2 divisors, whose sum is σ = 102310120322. Its totient is φ = 102310120320.

The previous prime is 102310120261. The next prime is 102310120331. The reversal of 102310120321 is 123021013201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53705745025 + 48604375296 = 231745^2 + 220464^2 .

It is a cyclic number.

It is not a de Polignac number, because 102310120321 - 2¹⁵ = 102310087553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102310120295 and 102310120304.

It is not a weakly prime, because it can be changed into another prime (102310120331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51155060160 + 51155060161.

It is an arithmetic number, because the mean of its divisors is an integer number (51155060161).

Almost surely, 2^102310120321 is an apocalyptic number.

It is an amenable number.

102310120321 is a deficient number, since it is larger than the sum of its proper divisors (1).

102310120321 is an equidigital number, since it uses as much as digits as its factorization.

102310120321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102310120321 its reverse (123021013201), we get a palindrome (225331133522).

The spelling of 102310120321 in words is "one hundred two billion, three hundred ten million, one hundred twenty thousand, three hundred twenty-one".