231122134 has 4 divisors (see below), whose sum is σ = 346683204. Its totient is φ = 115561066.

The previous prime is 231122131. The next prime is 231122149. The reversal of 231122134 is 431221132.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231122131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57780532 + ... + 57780535.

It is an arithmetic number, because the mean of its divisors is an integer number (86670801).

Almost surely, 2^231122134 is an apocalyptic number.

231122134 is a deficient number, since it is larger than the sum of its proper divisors (115561070).

231122134 is a wasteful number, since it uses less digits than its factorization.

231122134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115561069.

The product of its digits is 288, while the sum is 19.

The square root of 231122134 is about 15202.7015362402. The cubic root of 231122134 is about 613.6873618364.

Adding to 231122134 its reverse (431221132), we get a palindrome (662343266).

The spelling of 231122134 in words is "two hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-four".