2131313321223 has 96 divisors (see below), whose sum is σ = 3252214255680. Its totient is φ = 1343771320320.

The previous prime is 2131313321197. The next prime is 2131313321233. The reversal of 2131313321223 is 3221233131312.

2131313321223 is a `hidden beast` number, since 2 + 1 + 3 + 1 + 313 + 321 + 2 + 23 = 666.

It is not a de Polignac number, because 2131313321223 - 2¹² = 2131313317127 is a prime.

It is a super-2 number, since 2×2131313321223² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131313321233) 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 95 ways as a sum of consecutive naturals, for example, 606001461 + ... + 606004977.

It is an arithmetic number, because the mean of its divisors is an integer number (33877231830).

Almost surely, 2^{2131313321223} is an apocalyptic number.

2131313321223 is a deficient number, since it is larger than the sum of its proper divisors (1120900934457).

2131313321223 is a wasteful number, since it uses less digits than its factorization.

2131313321223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049 (or 4046 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

Adding to 2131313321223 its reverse (3221233131312), we get a palindrome (5352546452535).

The spelling of 2131313321223 in words is "two trillion, one hundred thirty-one billion, three hundred thirteen million, three hundred twenty-one thousand, two hundred twenty-three".