102312312 has 16 divisors (see below), whose sum is σ = 255780840. Its totient is φ = 34104096.

The previous prime is 102312281. The next prime is 102312317. The reversal of 102312312 is 213213201.

It is a junction number, because it is equal to n+sod(n) for n = 102312291 and 102312300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102312317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2131483 + ... + 2131530.

Almost surely, 2^102312312 is an apocalyptic number.

102312312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102312312 is an abundant number, since it is smaller than the sum of its proper divisors (153468528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102312312 is a wasteful number, since it uses less digits than its factorization.

102312312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4263022 (or 4263018 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 102312312 is about 10114.9548689057. The cubic root of 102312312 is about 467.7092576504.

Adding to 102312312 its reverse (213213201), we get a palindrome (315525513).

The spelling of 102312312 in words is "one hundred two million, three hundred twelve thousand, three hundred twelve".