3221312131223 has 2 divisors, whose sum is σ = 3221312131224. Its totient is φ = 3221312131222.

The previous prime is 3221312131199. The next prime is 3221312131229.

3221312131223 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 3221312131223 - 2¹⁰ = 3221312130199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221312131192 and 3221312131201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221312131229) 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 as a sum of consecutive naturals, namely, 1610656065611 + 1610656065612.

It is an arithmetic number, because the mean of its divisors is an integer number (1610656065612).

Almost surely, 2^{3221312131223} is an apocalyptic number.

3221312131223 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221312131223 is an equidigital number, since it uses as much as digits as its factorization.

3221312131223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 26.

The spelling of 3221312131223 in words is "three trillion, two hundred twenty-one billion, three hundred twelve million, one hundred thirty-one thousand, two hundred twenty-three".