102231103 has 4 divisors (see below), whose sum is σ = 110095048. Its totient is φ = 94367160.

The previous prime is 102231097. The next prime is 102231109. The reversal of 102231103 is 301132201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301132201 = 29 ⋅10383869.

It is an interprime number because it is at equal distance from previous prime (102231097) and next prime (102231109).

It is a cyclic number.

It is not a de Polignac number, because 102231103 - 2⁵ = 102231071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 7863931 = 102231103 / (1 + 0 + 2 + 2 + 3 + 1 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102231109) 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 in 3 ways as a sum of consecutive naturals, for example, 3931953 + ... + 3931978.

It is an arithmetic number, because the mean of its divisors is an integer number (27523762).

Almost surely, 2^102231103 is an apocalyptic number.

102231103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

102231103 is a deficient number, since it is larger than the sum of its proper divisors (7863945).

102231103 is an equidigital number, since it uses as much as digits as its factorization.

102231103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863944.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 102231103 is about 10110.9397683895. The cubic root of 102231103 is about 467.5854789508.

Adding to 102231103 its reverse (301132201), we get a palindrome (403363304).

The spelling of 102231103 in words is "one hundred two million, two hundred thirty-one thousand, one hundred three".