212031120200031 has 32 divisors (see below), whose sum is σ = 346526856345600. Its totient is φ = 127059847295040.

The previous prime is 212031120200021. The next prime is 212031120200051. The reversal of 212031120200031 is 130002021130212.

212031120200031 is a `hidden beast` number, since 2 + 120 + 311 + 2 + 0 + 200 + 0 + 31 = 666.

It is not a de Polignac number, because 212031120200031 - 2²⁶ = 212031053091167 is a prime.

It is a super-2 number, since 2×212031120200031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212031120199977 and 212031120200013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212031120200021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4010701071 + ... + 4010753936.

It is an arithmetic number, because the mean of its divisors is an integer number (10828964260800).

Almost surely, 2^{212031120200031} is an apocalyptic number.

212031120200031 is a deficient number, since it is larger than the sum of its proper divisors (134495736145569).

212031120200031 is a wasteful number, since it uses less digits than its factorization.

212031120200031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8021455116 (or 8021455110 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212031120200031 its reverse (130002021130212), we get a palindrome (342033141330243).

The spelling of 212031120200031 in words is "two hundred twelve trillion, thirty-one billion, one hundred twenty million, two hundred thousand, thirty-one".