230031444 has 12 divisors (see below), whose sum is σ = 536740064. Its totient is φ = 76677144.

The previous prime is 230031433. The next prime is 230031449. The reversal of 230031444 is 444130032.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 230031444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230031449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9584632 + ... + 9584655.

Almost surely, 2^230031444 is an apocalyptic number.

It is an amenable number.

230031444 is an abundant number, since it is smaller than the sum of its proper divisors (306708620).

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

230031444 is a wasteful number, since it uses less digits than its factorization.

230031444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19169294 (or 19169292 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 230031444 is about 15166.7875306539. The cubic root of 230031444 is about 612.7204872724.

Adding to 230031444 its reverse (444130032), we get a palindrome (674161476).

The spelling of 230031444 in words is "two hundred thirty million, thirty-one thousand, four hundred forty-four".