231044321013 has 8 divisors (see below), whose sum is σ = 336064466976. Its totient is φ = 140026861200.

The previous prime is 231044320973. The next prime is 231044321029. The reversal of 231044321013 is 310123440132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231044321013 - 2⁹ = 231044320501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231044321083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500671498 + ... + 3500671563.

It is an arithmetic number, because the mean of its divisors is an integer number (42008058372).

Almost surely, 2^231044321013 is an apocalyptic number.

It is an amenable number.

231044321013 is a deficient number, since it is larger than the sum of its proper divisors (105020145963).

231044321013 is a wasteful number, since it uses less digits than its factorization.

231044321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001343075.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 231044321013 its reverse (310123440132), we get a palindrome (541167761145).

The spelling of 231044321013 in words is "two hundred thirty-one billion, forty-four million, three hundred twenty-one thousand, thirteen".