231130210 has 16 divisors (see below), whose sum is σ = 416305656. Its totient is φ = 92391808.

The previous prime is 231130177. The next prime is 231130217. The reversal of 231130210 is 12031132.

231130210 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 156325009 + 74805201 = 12503^2 + 8649^2 .

It is not an unprimeable number, because it can be changed into a prime (231130217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10662 + ... + 23998.

Almost surely, 2^231130210 is an apocalyptic number.

231130210 is a deficient number, since it is larger than the sum of its proper divisors (185175446).

231130210 is a wasteful number, since it uses less digits than its factorization.

231130210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15077.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 231130210 is about 15202.9671446070. The cubic root of 231130210 is about 613.6945096898.

Adding to 231130210 its reverse (12031132), we get a palindrome (243161342).

The spelling of 231130210 in words is "two hundred thirty-one million, one hundred thirty thousand, two hundred ten".