210131321130 has 96 divisors (see below), whose sum is σ = 564583219200. Its totient is φ = 54189878400.

The previous prime is 210131321119. The next prime is 210131321137. The reversal of 210131321130 is 31123131012.

210131321130 is a `hidden beast` number, since 210 + 1 + 3 + 1 + 321 + 130 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (210131321137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122071 + ... + 659669.

It is an arithmetic number, because the mean of its divisors is an integer number (5881075200).

Almost surely, 2^210131321130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210131321130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282291609600).

210131321130 is an abundant number, since it is smaller than the sum of its proper divisors (354451898070).

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

210131321130 is a wasteful number, since it uses less digits than its factorization.

210131321130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537756 (or 537753 counting only the distinct ones).

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

Adding to 210131321130 its reverse (31123131012), we get a palindrome (241254452142).

The spelling of 210131321130 in words is "two hundred ten billion, one hundred thirty-one million, three hundred twenty-one thousand, one hundred thirty".