2212313303231 has 2 divisors, whose sum is σ = 2212313303232. Its totient is φ = 2212313303230.

The previous prime is 2212313303227. The next prime is 2212313303251. The reversal of 2212313303231 is 1323033132122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2212313303231 - 2² = 2212313303227 is a prime.

It is a super-2 number, since 2×2212313303231² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2212313303231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212313303251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106156651615 + 1106156651616.

It is an arithmetic number, because the mean of its divisors is an integer number (1106156651616).

Almost surely, 2^{2212313303231} is an apocalyptic number.

2212313303231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212313303231 is an equidigital number, since it uses as much as digits as its factorization.

2212313303231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 2212313303231 its reverse (1323033132122), we get a palindrome (3535346435353).

The spelling of 2212313303231 in words is "two trillion, two hundred twelve billion, three hundred thirteen million, three hundred three thousand, two hundred thirty-one".