102231232321 has 2 divisors, whose sum is σ = 102231232322. Its totient is φ = 102231232320.

The previous prime is 102231232223. The next prime is 102231232333. The reversal of 102231232321 is 123232132201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84532655025 + 17698577296 = 290745^2 + 133036^2 .

It is a cyclic number.

It is not a de Polignac number, because 102231232321 - 2¹³ = 102231224129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102231232292 and 102231232301.

It is not a weakly prime, because it can be changed into another prime (102231232391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51115616160 + 51115616161.

It is an arithmetic number, because the mean of its divisors is an integer number (51115616161).

Almost surely, 2^102231232321 is an apocalyptic number.

It is an amenable number.

102231232321 is a deficient number, since it is larger than the sum of its proper divisors (1).

102231232321 is an equidigital number, since it uses as much as digits as its factorization.

102231232321 is an odious number, because the sum of its binary digits is odd.

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

Adding to 102231232321 its reverse (123232132201), we get a palindrome (225463364522).

The spelling of 102231232321 in words is "one hundred two billion, two hundred thirty-one million, two hundred thirty-two thousand, three hundred twenty-one".