212020110031 has 4 divisors (see below), whose sum is σ = 214574569272. Its totient is φ = 209465650792.

The previous prime is 212020110017. The next prime is 212020110067. The reversal of 212020110031 is 130011020212.

212020110031 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 212020110031 - 2²⁷ = 211885892303 is a prime.

It is a super-2 number, since 2×212020110031² (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 = 212020109993 and 212020110020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020110011) 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, 1277229496 + ... + 1277229661.

It is an arithmetic number, because the mean of its divisors is an integer number (53643642318).

Almost surely, 2^212020110031 is an apocalyptic number.

212020110031 is a deficient number, since it is larger than the sum of its proper divisors (2554459241).

212020110031 is an equidigital number, since it uses as much as digits as its factorization.

212020110031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554459240.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212020110031 its reverse (130011020212), we get a palindrome (342031130243).

The spelling of 212020110031 in words is "two hundred twelve billion, twenty million, one hundred ten thousand, thirty-one".