102231312312 has 32 divisors (see below), whose sum is σ = 255964974480. Its totient is φ = 34025544960.

The previous prime is 102231312299. The next prime is 102231312329. The reversal of 102231312312 is 213213132201.

102231312312 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3206253 + ... + 3237980.

Almost surely, 2^102231312312 is an apocalyptic number.

102231312312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102231312312 is an abundant number, since it is smaller than the sum of its proper divisors (153733662168).

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

102231312312 is a wasteful number, since it uses less digits than its factorization.

102231312312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6444903 (or 6444899 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 102231312312 its reverse (213213132201), we get a palindrome (315444444513).

The spelling of 102231312312 in words is "one hundred two billion, two hundred thirty-one million, three hundred twelve thousand, three hundred twelve".