3122440042213 has 2 divisors, whose sum is σ = 3122440042214. Its totient is φ = 3122440042212.

The previous prime is 3122440042157. The next prime is 3122440042231. The reversal of 3122440042213 is 3122400442213.

Together with next prime (3122440042231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2376968394564 + 745471647649 = 1541742^2 + 863407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3122440042213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3122440043213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561220021106 + 1561220021107.

It is an arithmetic number, because the mean of its divisors is an integer number (1561220021107).

Almost surely, 2^{3122440042213} is an apocalyptic number.

It is an amenable number.

3122440042213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122440042213 is an equidigital number, since it uses as much as digits as its factorization.

3122440042213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 3122440042213 its reverse (3122400442213), we get a palindrome (6244840484426).

The spelling of 3122440042213 in words is "three trillion, one hundred twenty-two billion, four hundred forty million, forty-two thousand, two hundred thirteen".