2131320331223 has 8 divisors (see below), whose sum is σ = 2143560057600. Its totient is φ = 2119105611000.

The previous prime is 2131320331207. The next prime is 2131320331237. The reversal of 2131320331223 is 3221330231312.

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 2131320331223 - 2⁴ = 2131320331207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131320331192 and 2131320331201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131320331823) 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, 6080573 + ... + 6421526.

It is an arithmetic number, because the mean of its divisors is an integer number (267945007200).

Almost surely, 2^{2131320331223} is an apocalyptic number.

2131320331223 is a deficient number, since it is larger than the sum of its proper divisors (12239726377).

2131320331223 is a wasteful number, since it uses less digits than its factorization.

2131320331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12503077.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2131320331223 its reverse (3221330231312), we get a palindrome (5352650562535).

The spelling of 2131320331223 in words is "two trillion, one hundred thirty-one billion, three hundred twenty million, three hundred thirty-one thousand, two hundred twenty-three".