231303003212 has 24 divisors (see below), whose sum is σ = 419464032960. Its totient is φ = 111469962240.

The previous prime is 231303003157. The next prime is 231303003229. The reversal of 231303003212 is 212300303132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1660964 + ... + 1794827.

It is an arithmetic number, because the mean of its divisors is an integer number (17477668040).

Almost surely, 2^231303003212 is an apocalyptic number.

It is an amenable number.

231303003212 is a deficient number, since it is larger than the sum of its proper divisors (188161029748).

231303003212 is a wasteful number, since it uses less digits than its factorization.

231303003212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456401 (or 3456399 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 231303003212 its reverse (212300303132), we get a palindrome (443603306344).

The spelling of 231303003212 in words is "two hundred thirty-one billion, three hundred three million, three thousand, two hundred twelve".