231314344321 has 4 divisors (see below), whose sum is σ = 231318813700. Its totient is φ = 231309874944.

The previous prime is 231314344319. The next prime is 231314344337. The reversal of 231314344321 is 123443413132.

231314344321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 204774350400 + 26539993921 = 452520^2 + 162911^2 .

It is a cyclic number.

It is not a de Polignac number, because 231314344321 - 2¹ = 231314344319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231314344721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156136 + ... + 2260873.

It is an arithmetic number, because the mean of its divisors is an integer number (57829703425).

Almost surely, 2^231314344321 is an apocalyptic number.

It is an amenable number.

231314344321 is a deficient number, since it is larger than the sum of its proper divisors (4469379).

231314344321 is an equidigital number, since it uses as much as digits as its factorization.

231314344321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4469378.

The product of its digits is 20736, while the sum is 31.

Adding to 231314344321 its reverse (123443413132), we get a palindrome (354757757453).

The spelling of 231314344321 in words is "two hundred thirty-one billion, three hundred fourteen million, three hundred forty-four thousand, three hundred twenty-one".