212020300031 has 8 divisors (see below), whose sum is σ = 213333390384. Its totient is φ = 210707360640.

The previous prime is 212020299947. The next prime is 212020300049. The reversal of 212020300031 is 130003020212.

It is a happy number.

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 212020300031 - 2²⁶ = 211953191167 is a prime.

It is a super-2 number, since 2×212020300031² (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 = 212020299979 and 212020300015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212020300061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4347575 + ... + 4396071.

It is an arithmetic number, because the mean of its divisors is an integer number (26666673798).

Almost surely, 2^212020300031 is an apocalyptic number.

212020300031 is a deficient number, since it is larger than the sum of its proper divisors (1313090353).

212020300031 is a wasteful number, since it uses less digits than its factorization.

212020300031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75481.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 212020300031 its reverse (130003020212), we get a palindrome (342023320243).

The spelling of 212020300031 in words is "two hundred twelve billion, twenty million, three hundred thousand, thirty-one".