231231134 has 8 divisors (see below), whose sum is σ = 347001528. Its totient is φ = 115563960.

The previous prime is 231231131. The next prime is 231231151. The reversal of 231231134 is 431132132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231231131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19937 + ... + 29324.

It is an arithmetic number, because the mean of its divisors is an integer number (43375191).

Almost surely, 2^231231134 is an apocalyptic number.

231231134 is a deficient number, since it is larger than the sum of its proper divisors (115770394).

231231134 is a wasteful number, since it uses less digits than its factorization.

231231134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51610.

The product of its digits is 432, while the sum is 20.

The square root of 231231134 is about 15206.2860028345. The cubic root of 231231134 is about 613.7838208072.

Adding to 231231134 its reverse (431132132), we get a palindrome (662363266).

The spelling of 231231134 in words is "two hundred thirty-one million, two hundred thirty-one thousand, one hundred thirty-four".