2131332323 has 4 divisors (see below), whose sum is σ = 2144094960. Its totient is φ = 2118569688.

The previous prime is 2131332289. The next prime is 2131332331. The reversal of 2131332323 is 3232331312.

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

It is a cyclic number.

It is not a de Polignac number, because 2131332323 - 2¹⁰ = 2131331299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131332383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6381068 + ... + 6381401.

It is an arithmetic number, because the mean of its divisors is an integer number (536023740).

Almost surely, 2^2131332323 is an apocalyptic number.

2131332323 is a deficient number, since it is larger than the sum of its proper divisors (12762637).

2131332323 is a wasteful number, since it uses less digits than its factorization.

2131332323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12762636.

The product of its digits is 1944, while the sum is 23.

The square root of 2131332323 is about 46166.3548810170. The cubic root of 2131332323 is about 1286.9165631011.

Adding to 2131332323 its reverse (3232331312), we get a palindrome (5363663635).

The spelling of 2131332323 in words is "two billion, one hundred thirty-one million, three hundred thirty-two thousand, three hundred twenty-three".