231434444 has 12 divisors (see below), whose sum is σ = 407925000. Its totient is φ = 114884448.

The previous prime is 231434429. The next prime is 231434453. The reversal of 231434444 is 444434132.

It is a happy 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, 207569 + ... + 208680.

It is an arithmetic number, because the mean of its divisors is an integer number (33993750).

Almost surely, 2^231434444 is an apocalyptic number.

It is an amenable number.

231434444 is a deficient number, since it is larger than the sum of its proper divisors (176490556).

231434444 is a wasteful number, since it uses less digits than its factorization.

231434444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416392 (or 416390 counting only the distinct ones).

The product of its digits is 18432, while the sum is 29.

The square root of 231434444 is about 15212.9695983394. The cubic root of 231434444 is about 613.9636579409.

Adding to 231434444 its reverse (444434132), we get a palindrome (675868576).

The spelling of 231434444 in words is "two hundred thirty-one million, four hundred thirty-four thousand, four hundred forty-four".