210131082 has 96 divisors (see below), whose sum is σ = 560701440. Its totient is φ = 55550880.

The previous prime is 210131081. The next prime is 210131083. The reversal of 210131082 is 280131012.

It is an interprime number because it is at equal distance from previous prime (210131081) and next prime (210131083).

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 (210131081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88669 + ... + 91007.

It is an arithmetic number, because the mean of its divisors is an integer number (5840640).

Almost surely, 2^210131082 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210131082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280350720).

210131082 is an abundant number, since it is smaller than the sum of its proper divisors (350570358).

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

210131082 is a wasteful number, since it uses less digits than its factorization.

210131082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408 (or 2405 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 210131082 is about 14495.8987993156. The cubic root of 210131082 is about 594.5158427557.

Adding to 210131082 its reverse (280131012), we get a palindrome (490262094).

The spelling of 210131082 in words is "two hundred ten million, one hundred thirty-one thousand, eighty-two".