212023313331 has 4 divisors (see below), whose sum is σ = 282697751112. Its totient is φ = 141348875552.

The previous prime is 212023313233. The next prime is 212023313339. The reversal of 212023313331 is 133313320212.

212023313331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212023313331 - 2¹⁸ = 212023051187 is a prime.

It is a super-2 number, since 2×212023313331² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212023313339) 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 in 3 ways as a sum of consecutive naturals, for example, 35337218886 + ... + 35337218891.

It is an arithmetic number, because the mean of its divisors is an integer number (70674437778).

Almost surely, 2^212023313331 is an apocalyptic number.

212023313331 is a deficient number, since it is larger than the sum of its proper divisors (70674437781).

212023313331 is an equidigital number, since it uses as much as digits as its factorization.

212023313331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70674437780.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 212023313331 its reverse (133313320212), we get a palindrome (345336633543).

The spelling of 212023313331 in words is "two hundred twelve billion, twenty-three million, three hundred thirteen thousand, three hundred thirty-one".