231444412 has 6 divisors (see below), whose sum is σ = 405027728. Its totient is φ = 115722204.

The previous prime is 231444391. The next prime is 231444413. The reversal of 231444412 is 214444132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231444413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28930548 + ... + 28930555.

Almost surely, 2^231444412 is an apocalyptic number.

It is an amenable number.

231444412 is a deficient number, since it is larger than the sum of its proper divisors (173583316).

231444412 is a wasteful number, since it uses less digits than its factorization.

231444412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57861107 (or 57861105 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 231444412 is about 15213.2972100068. The cubic root of 231444412 is about 613.9724723907.

Adding to 231444412 its reverse (214444132), we get a palindrome (445888544).

It can be divided in two parts, 23144 and 4412, that added together give a square (27556 = 166²).

The spelling of 231444412 in words is "two hundred thirty-one million, four hundred forty-four thousand, four hundred twelve".