3122231213 has 2 divisors, whose sum is σ = 3122231214. Its totient is φ = 3122231212.

The previous prime is 3122231191. The next prime is 3122231249. The reversal of 3122231213 is 3121322213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3116095684 + 6135529 = 55822^2 + 2477^2 .

It is a cyclic number.

It is not a de Polignac number, because 3122231213 - 2⁶ = 3122231149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3122261213) 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, 1561115606 + 1561115607.

It is an arithmetic number, because the mean of its divisors is an integer number (1561115607).

Almost surely, 2^3122231213 is an apocalyptic number.

It is an amenable number.

3122231213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3122231213 is an equidigital number, since it uses as much as digits as its factorization.

3122231213 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3122231213 is about 55876.9291658015. The cubic root of 3122231213 is about 1461.5769557985.

Adding to 3122231213 its reverse (3121322213), we get a palindrome (6243553426).

The spelling of 3122231213 in words is "three billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred thirteen".