3131122233223 has 2 divisors, whose sum is σ = 3131122233224. Its totient is φ = 3131122233222.

The previous prime is 3131122233157. The next prime is 3131122233257. The reversal of 3131122233223 is 3223322211313.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3131122233223 - 2¹⁷ = 3131122102151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3131122233191 and 3131122233200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3131122233263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565561116611 + 1565561116612.

It is an arithmetic number, because the mean of its divisors is an integer number (1565561116612).

Almost surely, 2^{3131122233223} is an apocalyptic number.

3131122233223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3131122233223 is an equidigital number, since it uses as much as digits as its factorization.

3131122233223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 28.

Adding to 3131122233223 its reverse (3223322211313), we get a palindrome (6354444444536).

The spelling of 3131122233223 in words is "three trillion, one hundred thirty-one billion, one hundred twenty-two million, two hundred thirty-three thousand, two hundred twenty-three".