231044113 has 4 divisors (see below), whose sum is σ = 231262528. Its totient is φ = 230825700.

The previous prime is 231044087. The next prime is 231044159. The reversal of 231044113 is 311440132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231044113 - 2²¹ = 228946961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231044813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107613 + ... + 109738.

It is an arithmetic number, because the mean of its divisors is an integer number (57815632).

Almost surely, 2^231044113 is an apocalyptic number.

It is an amenable number.

231044113 is a deficient number, since it is larger than the sum of its proper divisors (218415).

231044113 is a wasteful number, since it uses less digits than its factorization.

231044113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218414.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 231044113 is about 15200.1352954505. The cubic root of 231044113 is about 613.6182989423.

Adding to 231044113 its reverse (311440132), we get a palindrome (542484245).

The spelling of 231044113 in words is "two hundred thirty-one million, forty-four thousand, one hundred thirteen".