233031020212 has 12 divisors (see below), whose sum is σ = 411545609860. Its totient is φ = 115446560256.

The previous prime is 233031020191. The next prime is 233031020227. The reversal of 233031020212 is 212020130332.

It can be written as a sum of positive squares in 2 ways, for example, as 142480581156 + 90550439056 = 377466^2 + 300916^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 233031020212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267236973 + ... + 267237844.

Almost surely, 2^233031020212 is an apocalyptic number.

It is an amenable number.

233031020212 is a deficient number, since it is larger than the sum of its proper divisors (178514589648).

233031020212 is a wasteful number, since it uses less digits than its factorization.

233031020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534474930 (or 534474928 counting only the distinct ones).

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

Adding to 233031020212 its reverse (212020130332), we get a palindrome (445051150544).

The spelling of 233031020212 in words is "two hundred thirty-three billion, thirty-one million, twenty thousand, two hundred twelve".