320212212031 has 2 divisors, whose sum is σ = 320212212032. Its totient is φ = 320212212030.

The previous prime is 320212211999. The next prime is 320212212077. The reversal of 320212212031 is 130212212023.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 320212212031 - 2⁵ = 320212211999 is a prime.

It is a super-2 number, since 2×320212212031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320212213031) 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, 160106106015 + 160106106016.

It is an arithmetic number, because the mean of its divisors is an integer number (160106106016).

Almost surely, 2^320212212031 is an apocalyptic number.

320212212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

320212212031 is an equidigital number, since it uses as much as digits as its factorization.

320212212031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320212212031 its reverse (130212212023), we get a palindrome (450424424054).

The spelling of 320212212031 in words is "three hundred twenty billion, two hundred twelve million, two hundred twelve thousand, thirty-one".