231113634 has 8 divisors (see below), whose sum is σ = 462227280. Its totient is φ = 77037876.

The previous prime is 231113633. The next prime is 231113639. The reversal of 231113634 is 436311132.

It is a happy number.

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

231113634 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (231113633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19259464 + ... + 19259475.

It is an arithmetic number, because the mean of its divisors is an integer number (57778410).

Almost surely, 2^231113634 is an apocalyptic number.

231113634 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231113634 is a wasteful number, since it uses less digits than its factorization.

231113634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38518944.

The product of its digits is 1296, while the sum is 24.

The square root of 231113634 is about 15202.4219780928. The cubic root of 231113634 is about 613.6798385320.

Adding to 231113634 its reverse (436311132), we get a palindrome (667424766).

The spelling of 231113634 in words is "two hundred thirty-one million, one hundred thirteen thousand, six hundred thirty-four".