231066130 has 16 divisors (see below), whose sum is σ = 417542040. Its totient is φ = 92065792.

The previous prime is 231066103. The next prime is 231066139. The reversal of 231066130 is 31660132.

It can be written as a sum of positive squares in 4 ways, for example, as 204861969 + 26204161 = 14313^2 + 5119^2 .

It is not an unprimeable number, because it can be changed into a prime (231066139) 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, 42385 + ... + 47524.

Almost surely, 2^231066130 is an apocalyptic number.

231066130 is a deficient number, since it is larger than the sum of its proper divisors (186475910).

231066130 is a wasteful number, since it uses less digits than its factorization.

231066130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90173.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 231066130 is about 15200.8595151722. The cubic root of 231066130 is about 613.6377895997.

The spelling of 231066130 in words is "two hundred thirty-one million, sixty-six thousand, one hundred thirty".