231303200212 has 24 divisors (see below), whose sum is σ = 462725938304. Its totient is φ = 99104327712.

The previous prime is 231303200189. The next prime is 231303200237. The reversal of 231303200212 is 212002303132.

It is a self number, because there is not a number n which added to its sum of digits gives 231303200212.

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, 956808 + ... + 1173919.

Almost surely, 2^231303200212 is an apocalyptic number.

It is an amenable number.

231303200212 is an abundant number, since it is smaller than the sum of its proper divisors (231422738092).

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

231303200212 is a wasteful number, since it uses less digits than its factorization.

231303200212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134615 (or 2134613 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 231303200212 its reverse (212002303132), we get a palindrome (443305503344).

The spelling of 231303200212 in words is "two hundred thirty-one billion, three hundred three million, two hundred thousand, two hundred twelve".