210131113200 has 240 divisors, whose sum is σ = 684496713216. Its totient is φ = 55092787200.

The previous prime is 210131113193. The next prime is 210131113207. The reversal of 210131113200 is 2311131012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (210131113193) and next prime (210131113207).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 210131113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210131113207) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28991977 + ... + 28999223.

Almost surely, 2^210131113200 is an apocalyptic number.

210131113200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210131113200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342248356608).

210131113200 is an abundant number, since it is smaller than the sum of its proper divisors (474365600016).

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

210131113200 is a wasteful number, since it uses less digits than its factorization.

210131113200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7672 (or 7661 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 210131113200 its reverse (2311131012), we get a palindrome (212442244212).

The spelling of 210131113200 in words is "two hundred ten billion, one hundred thirty-one million, one hundred thirteen thousand, two hundred".