102031313212 has 12 divisors (see below), whose sum is σ = 178670528176. Its totient is φ = 50982590880.

The previous prime is 102031313203. The next prime is 102031313231. The reversal of 102031313212 is 212313130201.

It is a self number, because there is not a number n which added to its sum of digits gives 102031313212.

It is a congruent number.

It is an unprimeable number.

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, 8259489 + ... + 8271832.

Almost surely, 2^102031313212 is an apocalyptic number.

It is an amenable number.

102031313212 is a deficient number, since it is larger than the sum of its proper divisors (76639214964).

102031313212 is a wasteful number, since it uses less digits than its factorization.

102031313212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16532868 (or 16532866 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102031313212 its reverse (212313130201), we get a palindrome (314344443413).

The spelling of 102031313212 in words is "one hundred two billion, thirty-one million, three hundred thirteen thousand, two hundred twelve".