231134134 has 16 divisors (see below), whose sum is σ = 432251136. Its totient is φ = 90052200.

The previous prime is 231134129. The next prime is 231134149. The reversal of 231134134 is 431431132.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750282 + ... + 750589.

It is an arithmetic number, because the mean of its divisors is an integer number (27015696).

Almost surely, 2^231134134 is an apocalyptic number.

231134134 is a deficient number, since it is larger than the sum of its proper divisors (201117002).

231134134 is a wasteful number, since it uses less digits than its factorization.

231134134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500891.

The product of its digits is 864, while the sum is 22.

The square root of 231134134 is about 15203.0961978144. The cubic root of 231134134 is about 613.6979826581.

Adding to 231134134 its reverse (431431132), we get a palindrome (662565266).

The spelling of 231134134 in words is "two hundred thirty-one million, one hundred thirty-four thousand, one hundred thirty-four".