2122313213 has 2 divisors, whose sum is σ = 2122313214. Its totient is φ = 2122313212.

The previous prime is 2122313191. The next prime is 2122313231. The reversal of 2122313213 is 3123132212.

Together with next prime (2122313231) 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., 2052724249 + 69588964 = 45307^2 + 8342^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122313213 - 2¹⁴ = 2122296829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122313273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061156606 + 1061156607.

It is an arithmetic number, because the mean of its divisors is an integer number (1061156607).

Almost surely, 2^2122313213 is an apocalyptic number.

It is an amenable number.

2122313213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122313213 is an equidigital number, since it uses as much as digits as its factorization.

2122313213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 20.

The square root of 2122313213 is about 46068.5707722738. The cubic root of 2122313213 is about 1285.0987247702.

Adding to 2122313213 its reverse (3123132212), we get a palindrome (5245445425).

The spelling of 2122313213 in words is "two billion, one hundred twenty-two million, three hundred thirteen thousand, two hundred thirteen".