231303440113 has 8 divisors (see below), whose sum is σ = 234246355200. Its totient is φ = 228360900768.

The previous prime is 231303440089. The next prime is 231303440119. The reversal of 231303440113 is 311044303132.

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 231303440113 - 2¹³ = 231303431921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231303440119) 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, 1270245 + ... + 1440877.

It is an arithmetic number, because the mean of its divisors is an integer number (29280794400).

Almost surely, 2^231303440113 is an apocalyptic number.

It is an amenable number.

231303440113 is a deficient number, since it is larger than the sum of its proper divisors (2942915087).

231303440113 is a wasteful number, since it uses less digits than its factorization.

231303440113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187871.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 231303440113 its reverse (311044303132), we get a palindrome (542347743245).

The spelling of 231303440113 in words is "two hundred thirty-one billion, three hundred three million, four hundred forty thousand, one hundred thirteen".