231022412 has 24 divisors (see below), whose sum is σ = 408260160. Its totient is φ = 114382800.

The previous prime is 231022411. The next prime is 231022417. The reversal of 231022412 is 214220132.

It is not an unprimeable number, because it can be changed into a prime (231022411) 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, 219287 + ... + 220337.

It is an arithmetic number, because the mean of its divisors is an integer number (17010840).

Almost surely, 2^231022412 is an apocalyptic number.

It is an amenable number.

231022412 is a deficient number, since it is larger than the sum of its proper divisors (177237748).

231022412 is a wasteful number, since it uses less digits than its factorization.

231022412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1541 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 231022412 is about 15199.4214363574. The cubic root of 231022412 is about 613.5990868137.

Adding to 231022412 its reverse (214220132), we get a palindrome (445242544).

The spelling of 231022412 in words is "two hundred thirty-one million, twenty-two thousand, four hundred twelve".