102331027 has 4 divisors (see below), whose sum is σ = 102351600. Its totient is φ = 102310456.

The previous prime is 102331003. The next prime is 102331049. The reversal of 102331027 is 720133201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102331027 - 2¹⁹ = 101806739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102330995 and 102331013.

It is not an unprimeable number, because it can be changed into a prime (102331067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2349 + ... + 14497.

It is an arithmetic number, because the mean of its divisors is an integer number (25587900).

Almost surely, 2^102331027 is an apocalyptic number.

102331027 is a deficient number, since it is larger than the sum of its proper divisors (20573).

102331027 is an equidigital number, since it uses as much as digits as its factorization.

102331027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20572.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 102331027 is about 10115.8799419527. The cubic root of 102331027 is about 467.7377737529.

Adding to 102331027 its reverse (720133201), we get a palindrome (822464228).

The spelling of 102331027 in words is "one hundred two million, three hundred thirty-one thousand, twenty-seven".