212333220031 has 8 divisors (see below), whose sum is σ = 215255888640. Its totient is φ = 209410929792.

The previous prime is 212333219993. The next prime is 212333220091. The reversal of 212333220031 is 130022333212.

212333220031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212333220031 - 2¹¹ = 212333217983 is a prime.

It is a super-2 number, since 2×212333220031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212333219984 and 212333220011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212333220091) 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 7 ways as a sum of consecutive naturals, for example, 1146786 + ... + 1319008.

It is an arithmetic number, because the mean of its divisors is an integer number (26906986080).

Almost surely, 2^212333220031 is an apocalyptic number.

212333220031 is a deficient number, since it is larger than the sum of its proper divisors (2922668609).

212333220031 is a wasteful number, since it uses less digits than its factorization.

212333220031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189185.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212333220031 its reverse (130022333212), we get a palindrome (342355553243).

The spelling of 212333220031 in words is "two hundred twelve billion, three hundred thirty-three million, two hundred twenty thousand, thirty-one".