2331111322213 has 2 divisors, whose sum is σ = 2331111322214. Its totient is φ = 2331111322212.

The previous prime is 2331111322201. The next prime is 2331111322217. The reversal of 2331111322213 is 3122231111332.

2331111322213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2330513666404 + 597655809 = 1526602^2 + 24447^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331111322213 - 2⁴¹ = 132088066661 is a prime.

It is a super-2 number, since 2×2331111322213² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331111322217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165555661106 + 1165555661107.

It is an arithmetic number, because the mean of its divisors is an integer number (1165555661107).

Almost surely, 2^{2331111322213} is an apocalyptic number.

It is an amenable number.

2331111322213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331111322213 is an equidigital number, since it uses as much as digits as its factorization.

2331111322213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

Adding to 2331111322213 its reverse (3122231111332), we get a palindrome (5453342433545).

The spelling of 2331111322213 in words is "two trillion, three hundred thirty-one billion, one hundred eleven million, three hundred twenty-two thousand, two hundred thirteen".