231330134 has 16 divisors (see below), whose sum is σ = 398151936. Its totient is φ = 98745000.

The previous prime is 231330109. The next prime is 231330157. The reversal of 231330134 is 431033132.

231330134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29402 + ... + 36429.

It is an arithmetic number, because the mean of its divisors is an integer number (24884496).

Almost surely, 2^231330134 is an apocalyptic number.

231330134 is a deficient number, since it is larger than the sum of its proper divisors (166821802).

231330134 is a wasteful number, since it uses less digits than its factorization.

231330134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66091.

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

The square root of 231330134 is about 15209.5408872194. The cubic root of 231330134 is about 613.8714040654.

Adding to 231330134 its reverse (431033132), we get a palindrome (662363266).

The spelling of 231330134 in words is "two hundred thirty-one million, three hundred thirty thousand, one hundred thirty-four".