102340312 has 16 divisors (see below), whose sum is σ = 192066840. Its totient is φ = 51122496.

The previous prime is 102340307. The next prime is 102340321. The reversal of 102340312 is 213043201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 4183 + ... + 14905.

Almost surely, 2^102340312 is an apocalyptic number.

It is an amenable number.

102340312 is a deficient number, since it is larger than the sum of its proper divisors (89726528).

102340312 is a wasteful number, since it uses less digits than its factorization.

102340312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11922 (or 11918 counting only the distinct ones).

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

The square root of 102340312 is about 10116.3388634426. The cubic root of 102340312 is about 467.7519200452.

Adding to 102340312 its reverse (213043201), we get a palindrome (315383513).

The spelling of 102340312 in words is "one hundred two million, three hundred forty thousand, three hundred twelve".