231444030 has 16 divisors (see below), whose sum is σ = 555465744. Its totient is φ = 61718400.

The previous prime is 231444029. The next prime is 231444043. The reversal of 231444030 is 30444132.

It is a junction number, because it is equal to n+sod(n) for n = 231443988 and 231444006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3857371 + ... + 3857430.

It is an arithmetic number, because the mean of its divisors is an integer number (34716609).

Almost surely, 2^231444030 is an apocalyptic number.

231444030 is an abundant number, since it is smaller than the sum of its proper divisors (324021714).

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

231444030 is a wasteful number, since it uses less digits than its factorization.

231444030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714811.

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

The square root of 231444030 is about 15213.2846551953. The cubic root of 231444030 is about 613.9721346024.

Adding to 231444030 its reverse (30444132), we get a palindrome (261888162).

The spelling of 231444030 in words is "two hundred thirty-one million, four hundred forty-four thousand, thirty".