212043131 has 8 divisors (see below), whose sum is σ = 219402624. Its totient is φ = 204716160.

The previous prime is 212043121. The next prime is 212043199. The reversal of 212043131 is 131340212.

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 212043131 - 2¹⁰ = 212042107 is a prime.

It is a super-2 number, since 2×212043131² = 89924578808566322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212043121) 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, 5525 + ... + 21321.

It is an arithmetic number, because the mean of its divisors is an integer number (27425328).

Almost surely, 2^212043131 is an apocalyptic number.

212043131 is a deficient number, since it is larger than the sum of its proper divisors (7359493).

212043131 is a wasteful number, since it uses less digits than its factorization.

212043131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16261.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 212043131 is about 14561.7008278566. The cubic root of 212043131 is about 596.3136299180.

Adding to 212043131 its reverse (131340212), we get a palindrome (343383343).

The spelling of 212043131 in words is "two hundred twelve million, forty-three thousand, one hundred thirty-one".