231303022212 has 24 divisors (see below), whose sum is σ = 539744519776. Its totient is φ = 77095654848.

The previous prime is 231303022201. The next prime is 231303022217. The reversal of 231303022212 is 212220303132.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (231303022217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487033 + ... + 836544.

Almost surely, 2^231303022212 is an apocalyptic number.

It is an amenable number.

231303022212 is an abundant number, since it is smaller than the sum of its proper divisors (308441497564).

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

231303022212 is a wasteful number, since it uses less digits than its factorization.

231303022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338147 (or 1338145 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 231303022212 its reverse (212220303132), we get a palindrome (443523325344).

The spelling of 231303022212 in words is "two hundred thirty-one billion, three hundred three million, twenty-two thousand, two hundred twelve".