212031331010 has 8 divisors (see below), whose sum is σ = 381656395836. Its totient is φ = 84812532400.

The previous prime is 212031330997. The next prime is 212031331019. The reversal of 212031331010 is 10133130212.

It can be written as a sum of positive squares in 2 ways, for example, as 211978288921 + 53042089 = 460411^2 + 7283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 212031331010.

It is not an unprimeable number, because it can be changed into a prime (212031331019) 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, 10601566541 + ... + 10601566560.

Almost surely, 2^212031331010 is an apocalyptic number.

212031331010 is a deficient number, since it is larger than the sum of its proper divisors (169625064826).

212031331010 is a wasteful number, since it uses less digits than its factorization.

212031331010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21203133108.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 212031331010 its reverse (10133130212), we get a palindrome (222164461222).

The spelling of 212031331010 in words is "two hundred twelve billion, thirty-one million, three hundred thirty-one thousand, ten".