231332323311 has 6 divisors (see below), whose sum is σ = 334146689240. Its totient is φ = 154221548868.

The previous prime is 231332323273. The next prime is 231332323363. The reversal of 231332323311 is 113323233132.

231332323311 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 323 + 2 + 331 + 1 = 666.

It is not a de Polignac number, because 231332323311 - 2⁹ = 231332322799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231332323381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12851795731 + ... + 12851795748.

Almost surely, 2^231332323311 is an apocalyptic number.

231332323311 is a deficient number, since it is larger than the sum of its proper divisors (102814365929).

231332323311 is a wasteful number, since it uses less digits than its factorization.

231332323311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25703591485 (or 25703591482 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

Adding to 231332323311 its reverse (113323233132), we get a palindrome (344655556443).

It can be divided in two parts, 2 and 31332323311, that added together give a palindrome (31332323313).

The spelling of 231332323311 in words is "two hundred thirty-one billion, three hundred thirty-two million, three hundred twenty-three thousand, three hundred eleven".