231310300212 has 24 divisors (see below), whose sum is σ = 599693371200. Its totient is φ = 77103433368.

The previous prime is 231310300187. The next prime is 231310300223. The reversal of 231310300212 is 212003013132.

231310300212 is a `hidden beast` number, since 2 + 31 + 310 + 300 + 21 + 2 = 666.

231310300212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070880912 + ... + 1070881127.

It is an arithmetic number, because the mean of its divisors is an integer number (24987223800).

Almost surely, 2^231310300212 is an apocalyptic number.

It is an amenable number.

231310300212 is an abundant number, since it is smaller than the sum of its proper divisors (368383070988).

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

231310300212 is a wasteful number, since it uses less digits than its factorization.

231310300212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2141762052 (or 2141762044 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 231310300212 its reverse (212003013132), we get a palindrome (443313313344).

The spelling of 231310300212 in words is "two hundred thirty-one billion, three hundred ten million, three hundred thousand, two hundred twelve".