231143334 has 8 divisors (see below), whose sum is σ = 462286680. Its totient is φ = 77047776.

The previous prime is 231143333. The next prime is 231143351. The reversal of 231143334 is 433341132.

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

231143334 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231143333) 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, 19261939 + ... + 19261950.

It is an arithmetic number, because the mean of its divisors is an integer number (57785835).

Almost surely, 2^231143334 is an apocalyptic number.

231143334 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.

231143334 is a wasteful number, since it uses less digits than its factorization.

231143334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38523894.

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

The square root of 231143334 is about 15203.3987647499. The cubic root of 231143334 is about 613.7061250391.

Adding to 231143334 its reverse (433341132), we get a palindrome (664484466).

The spelling of 231143334 in words is "two hundred thirty-one million, one hundred forty-three thousand, three hundred thirty-four".