102312304 has 20 divisors (see below), whose sum is σ = 198409176. Its totient is φ = 51109952.

The previous prime is 102312281. The next prime is 102312317. The reversal of 102312304 is 403213201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21747 + ... + 26029.

Almost surely, 2^102312304 is an apocalyptic number.

It is an amenable number.

102312304 is a deficient number, since it is larger than the sum of its proper divisors (96096872).

102312304 is a wasteful number, since it uses less digits than its factorization.

102312304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5784 (or 5778 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 102312304 is about 10114.9544734517. The cubic root of 102312304 is about 467.7092454601.

Adding to 102312304 its reverse (403213201), we get a palindrome (505525505).

The spelling of 102312304 in words is "one hundred two million, three hundred twelve thousand, three hundred four".