3221123031013 has 2 divisors, whose sum is σ = 3221123031014. Its totient is φ = 3221123031012.

The previous prime is 3221123030999. The next prime is 3221123031041. The reversal of 3221123031013 is 3101303211223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2640163520164 + 580959510849 = 1624858^2 + 762207^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221123031013 - 2¹⁷ = 3221122899941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3221123034013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610561515506 + 1610561515507.

It is an arithmetic number, because the mean of its divisors is an integer number (1610561515507).

Almost surely, 2^{3221123031013} is an apocalyptic number.

It is an amenable number.

3221123031013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3221123031013 is an equidigital number, since it uses as much as digits as its factorization.

3221123031013 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 3221123031013 its reverse (3101303211223), we get a palindrome (6322426242236).

The spelling of 3221123031013 in words is "three trillion, two hundred twenty-one billion, one hundred twenty-three million, thirty-one thousand, thirteen".