231334130 has 16 divisors (see below), whose sum is σ = 440895960. Its totient is φ = 87090432.

The previous prime is 231334099. The next prime is 231334133. The reversal of 231334130 is 31433132.

It can be written as a sum of positive squares in 4 ways, for example, as 181899169 + 49434961 = 13487^2 + 7031^2 .

It is not an unprimeable number, because it can be changed into a prime (231334133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680225 + ... + 680564.

Almost surely, 2^231334130 is an apocalyptic number.

231334130 is a deficient number, since it is larger than the sum of its proper divisors (209561830).

231334130 is a wasteful number, since it uses less digits than its factorization.

231334130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360813.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 231334130 is about 15209.6722515641. The cubic root of 231334130 is about 613.8749387195.

Adding to 231334130 its reverse (31433132), we get a palindrome (262767262).

The spelling of 231334130 in words is "two hundred thirty-one million, three hundred thirty-four thousand, one hundred thirty".