102231303257 has 2 divisors, whose sum is σ = 102231303258. Its totient is φ = 102231303256.

The previous prime is 102231303211. The next prime is 102231303259. The reversal of 102231303257 is 752303132201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75169737241 + 27061566016 = 274171^2 + 164504^2 .

It is a cyclic number.

It is not a de Polignac number, because 102231303257 - 2¹⁸ = 102231041113 is a prime.

Together with 102231303259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102231303259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51115651628 + 51115651629.

It is an arithmetic number, because the mean of its divisors is an integer number (51115651629).

Almost surely, 2^102231303257 is an apocalyptic number.

It is an amenable number.

102231303257 is a deficient number, since it is larger than the sum of its proper divisors (1).

102231303257 is an equidigital number, since it uses as much as digits as its factorization.

102231303257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 29.

Adding to 102231303257 its reverse (752303132201), we get a palindrome (854534435458).

The spelling of 102231303257 in words is "one hundred two billion, two hundred thirty-one million, three hundred three thousand, two hundred fifty-seven".