231234212 has 24 divisors (see below), whose sum is σ = 444104640. Its totient is φ = 104473760.

The previous prime is 231234209. The next prime is 231234229. The reversal of 231234212 is 212432132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8387 + ... + 23082.

It is an arithmetic number, because the mean of its divisors is an integer number (18504360).

Almost surely, 2^231234212 is an apocalyptic number.

231234212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

231234212 is a deficient number, since it is larger than the sum of its proper divisors (212870428).

231234212 is a wasteful number, since it uses less digits than its factorization.

231234212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31651 (or 31649 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 231234212 is about 15206.3872106428. The cubic root of 231234212 is about 613.7865442268.

Adding to 231234212 its reverse (212432132), we get a palindrome (443666344).

The spelling of 231234212 in words is "two hundred thirty-one million, two hundred thirty-four thousand, two hundred twelve".