331211112111223 has 2 divisors, whose sum is σ = 331211112111224. Its totient is φ = 331211112111222.

The previous prime is 331211112111181. The next prime is 331211112111287. The reversal of 331211112111223 is 322111211112133.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 331211112111223 - 2³⁷ = 331073673157751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (331211112111823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165605556055611 + 165605556055612.

It is an arithmetic number, because the mean of its divisors is an integer number (165605556055612).

Almost surely, 2^{331211112111223} is an apocalyptic number.

331211112111223 is a deficient number, since it is larger than the sum of its proper divisors (1).

331211112111223 is an equidigital number, since it uses as much as digits as its factorization.

331211112111223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 25.

Adding to 331211112111223 its reverse (322111211112133), we get a palindrome (653322323223356).

The spelling of 331211112111223 in words is "three hundred thirty-one trillion, two hundred eleven billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty-three".