231143344 has 10 divisors (see below), whose sum is σ = 447840260. Its totient is φ = 115571664.

The previous prime is 231143333. The next prime is 231143351. The reversal of 231143344 is 443341132.

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 as a sum of consecutive naturals, namely, 7223214 + ... + 7223245.

It is an arithmetic number, because the mean of its divisors is an integer number (44784026).

Almost surely, 2^231143344 is an apocalyptic number.

It is an amenable number.

231143344 is a deficient number, since it is larger than the sum of its proper divisors (216696916).

231143344 is a wasteful number, since it uses less digits than its factorization.

231143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14446467 (or 14446461 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 231143344 is about 15203.3990936238. The cubic root of 231143344 is about 613.7061338893.

Adding to 231143344 its reverse (443341132), we get a palindrome (674484476).

The spelling of 231143344 in words is "two hundred thirty-one million, one hundred forty-three thousand, three hundred forty-four".