102431327 has 2 divisors, whose sum is σ = 102431328. Its totient is φ = 102431326.

The previous prime is 102431323. The next prime is 102431359. The reversal of 102431327 is 723134201.

It is a weak prime.

It is an emirp because it is prime and its reverse (723134201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102431327 - 2² = 102431323 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102431323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51215663 + 51215664.

It is an arithmetic number, because the mean of its divisors is an integer number (51215664).

Almost surely, 2^102431327 is an apocalyptic number.

102431327 is a deficient number, since it is larger than the sum of its proper divisors (1).

102431327 is an equidigital number, since it uses as much as digits as its factorization.

102431327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 102431327 is about 10120.8362796757. The cubic root of 102431327 is about 467.8905419496.

Adding to 102431327 its reverse (723134201), we get a palindrome (825565528).

The spelling of 102431327 in words is "one hundred two million, four hundred thirty-one thousand, three hundred twenty-seven".