231433134 has 8 divisors (see below), whose sum is σ = 462866280. Its totient is φ = 77144376.

The previous prime is 231433099. The next prime is 231433159. The reversal of 231433134 is 431334132.

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

231433134 is an admirable number.

It is a super-2 number, since 2×231433134² = 107122591026123912, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 19286089 + ... + 19286100.

It is an arithmetic number, because the mean of its divisors is an integer number (57858285).

Almost surely, 2^231433134 is an apocalyptic number.

231433134 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.

231433134 is a wasteful number, since it uses less digits than its factorization.

231433134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38572194.

The product of its digits is 2592, while the sum is 24.

The square root of 231433134 is about 15212.9265429108. The cubic root of 231433134 is about 613.9624995223.

Adding to 231433134 its reverse (431334132), we get a palindrome (662767266).

The spelling of 231433134 in words is "two hundred thirty-one million, four hundred thirty-three thousand, one hundred thirty-four".