231444042213 has 8 divisors (see below), whose sum is σ = 314414548128. Its totient is φ = 151384782224.

The previous prime is 231444042211. The next prime is 231444042223. The reversal of 231444042213 is 312240444132.

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

It is a cyclic number.

It is not a de Polignac number, because 231444042213 - 2¹ = 231444042211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231444042211) 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, 727811295 + ... + 727811612.

It is an arithmetic number, because the mean of its divisors is an integer number (39301818516).

Almost surely, 2^231444042213 is an apocalyptic number.

It is an amenable number.

231444042213 is a deficient number, since it is larger than the sum of its proper divisors (82970505915).

231444042213 is a wasteful number, since it uses less digits than its factorization.

231444042213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455622963.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 231444042213 its reverse (312240444132), we get a palindrome (543684486345).

The spelling of 231444042213 in words is "two hundred thirty-one billion, four hundred forty-four million, forty-two thousand, two hundred thirteen".