210131301312 has 84 divisors (see below), whose sum is σ = 603006022840. Its totient is φ = 69962061312.

The previous prime is 210131301299. The next prime is 210131301319. The reversal of 210131301312 is 213103131012.

210131301312 is a `hidden beast` number, since 21 + 0 + 1 + 31 + 301 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210131301319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282438 + ... + 707130.

Almost surely, 2^210131301312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210131301312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301503011420).

210131301312 is an abundant number, since it is smaller than the sum of its proper divisors (392874721528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210131301312 is a wasteful number, since it uses less digits than its factorization.

210131301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425570 (or 425557 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 210131301312 its reverse (213103131012), we get a palindrome (423234432324).

The spelling of 210131301312 in words is "two hundred ten billion, one hundred thirty-one million, three hundred one thousand, three hundred twelve".