212000002031 has 4 divisors (see below), whose sum is σ = 212421473712. Its totient is φ = 211578530352.

The previous prime is 212000001959. The next prime is 212000002079. The reversal of 212000002031 is 130200000212.

It is a happy number.

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 212000002031 - 2³⁴ = 194820132847 is a prime.

It is a super-3 number, since 3×212000002031³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000002831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210735086 + ... + 210736091.

It is an arithmetic number, because the mean of its divisors is an integer number (53105368428).

Almost surely, 2^212000002031 is an apocalyptic number.

212000002031 is a deficient number, since it is larger than the sum of its proper divisors (421471681).

212000002031 is an equidigital number, since it uses as much as digits as its factorization.

212000002031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421471680.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 212000002031 its reverse (130200000212), we get a palindrome (342200002243).

The spelling of 212000002031 in words is "two hundred twelve billion, two thousand, thirty-one".