2131113021223 has 8 divisors (see below), whose sum is σ = 2152249744176. Its totient is φ = 2109977016000.

The previous prime is 2131113021197. The next prime is 2131113021259. The reversal of 2131113021223 is 3221203111312.

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 2131113021223 - 2²¹ = 2131110924071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131113021194 and 2131113021203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131113021923) 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 7 ways as a sum of consecutive naturals, for example, 7344915 + ... + 7629547.

It is an arithmetic number, because the mean of its divisors is an integer number (269031218022).

Almost surely, 2^{2131113021223} is an apocalyptic number.

2131113021223 is a deficient number, since it is larger than the sum of its proper divisors (21136722953).

2131113021223 is a wasteful number, since it uses less digits than its factorization.

2131113021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358865.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2131113021223 its reverse (3221203111312), we get a palindrome (5352316132535).

The spelling of 2131113021223 in words is "two trillion, one hundred thirty-one billion, one hundred thirteen million, twenty-one thousand, two hundred twenty-three".