3131123004223 has 2 divisors, whose sum is σ = 3131123004224. Its totient is φ = 3131123004222.

The previous prime is 3131123004203. The next prime is 3131123004293. The reversal of 3131123004223 is 3224003211313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3131123004223 - 2⁹ = 3131123003711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131123004203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565561502111 + 1565561502112.

It is an arithmetic number, because the mean of its divisors is an integer number (1565561502112).

Almost surely, 2^{3131123004223} is an apocalyptic number.

3131123004223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131123004223 is an equidigital number, since it uses as much as digits as its factorization.

3131123004223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 3131123004223 its reverse (3224003211313), we get a palindrome (6355126215536).

The spelling of 3131123004223 in words is "three trillion, one hundred thirty-one billion, one hundred twenty-three million, four thousand, two hundred twenty-three".