231340334 has 4 divisors (see below), whose sum is σ = 347010504. Its totient is φ = 115670166.

The previous prime is 231340309. The next prime is 231340393. The reversal of 231340334 is 433043132.

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

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 as a sum of consecutive naturals, namely, 57835082 + ... + 57835085.

It is an arithmetic number, because the mean of its divisors is an integer number (86752626).

Almost surely, 2^231340334 is an apocalyptic number.

231340334 is a deficient number, since it is larger than the sum of its proper divisors (115670170).

231340334 is a wasteful number, since it uses less digits than its factorization.

231340334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115670169.

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 231340334 is about 15209.8761993647. The cubic root of 231340334 is about 613.8804263751.

Adding to 231340334 its reverse (433043132), we get a palindrome (664383466).

The spelling of 231340334 in words is "two hundred thirty-one million, three hundred forty thousand, three hundred thirty-four".