212313022322231 has 2 divisors, whose sum is σ = 212313022322232. Its totient is φ = 212313022322230.

The previous prime is 212313022322227. The next prime is 212313022322237. The reversal of 212313022322231 is 132223220313212.

212313022322231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212313022322231 - 2² = 212313022322227 is a prime.

It is a super-2 number, since 2×212313022322231² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212313022322194 and 212313022322203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212313022322237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106156511161115 + 106156511161116.

It is an arithmetic number, because the mean of its divisors is an integer number (106156511161116).

Almost surely, 2^{212313022322231} is an apocalyptic number.

212313022322231 is a deficient number, since it is larger than the sum of its proper divisors (1).

212313022322231 is an equidigital number, since it uses as much as digits as its factorization.

212313022322231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 212313022322231 its reverse (132223220313212), we get a palindrome (344536242635443).

The spelling of 212313022322231 in words is "two hundred twelve trillion, three hundred thirteen billion, twenty-two million, three hundred twenty-two thousand, two hundred thirty-one".