212052310631 has 8 divisors (see below), whose sum is σ = 242609210880. Its totient is φ = 181561338648.

The previous prime is 212052310529. The next prime is 212052310649. The reversal of 212052310631 is 136013250212.

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 212052310631 - 2³⁰ = 210978568807 is a prime.

It is a super-2 number, since 2×212052310631² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212052310631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212052310031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16475171 + ... + 16488036.

It is an arithmetic number, because the mean of its divisors is an integer number (30326151360).

Almost surely, 2^212052310631 is an apocalyptic number.

212052310631 is a deficient number, since it is larger than the sum of its proper divisors (30556900249).

212052310631 is an equidigital number, since it uses as much as digits as its factorization.

212052310631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32964133.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 212052310631 its reverse (136013250212), we get a palindrome (348065560843).

The spelling of 212052310631 in words is "two hundred twelve billion, fifty-two million, three hundred ten thousand, six hundred thirty-one".