231303321011 has 12 divisors (see below), whose sum is σ = 269865566568. Its totient is φ = 197671666752.

The previous prime is 231303320993. The next prime is 231303321017. The reversal of 231303321011 is 110123303132.

It is not a de Polignac number, because 231303321011 - 2¹⁰ = 231303319987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231303321017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6987161 + ... + 7020186.

It is an arithmetic number, because the mean of its divisors is an integer number (22488797214).

Almost surely, 2^231303321011 is an apocalyptic number.

231303321011 is a deficient number, since it is larger than the sum of its proper divisors (38562245557).

231303321011 is a wasteful number, since it uses less digits than its factorization.

231303321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14007698 (or 14007691 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 231303321011 its reverse (110123303132), we get a palindrome (341426624143).

The spelling of 231303321011 in words is "two hundred thirty-one billion, three hundred three million, three hundred twenty-one thousand, eleven".