2131001331223 has 2 divisors, whose sum is σ = 2131001331224. Its totient is φ = 2131001331222.

The previous prime is 2131001331191. The next prime is 2131001331227. The reversal of 2131001331223 is 3221331001312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2131001331223 - 2⁵ = 2131001331191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131001331194 and 2131001331203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131001331227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065500665611 + 1065500665612.

It is an arithmetic number, because the mean of its divisors is an integer number (1065500665612).

Almost surely, 2^{2131001331223} is an apocalyptic number.

2131001331223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131001331223 is an equidigital number, since it uses as much as digits as its factorization.

2131001331223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2131001331223 its reverse (3221331001312), we get a palindrome (5352332332535).

The spelling of 2131001331223 in words is "two trillion, one hundred thirty-one billion, one million, three hundred thirty-one thousand, two hundred twenty-three".