231334345 has 24 divisors (see below), whose sum is σ = 316616832. Its totient is φ = 160908000.

The previous prime is 231334331. The next prime is 231334349. The reversal of 231334345 is 543433132.

It is not a de Polignac number, because 231334345 - 2¹³ = 231326153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231334349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25120 + ... + 33070.

It is an arithmetic number, because the mean of its divisors is an integer number (13192368).

Almost surely, 2^231334345 is an apocalyptic number.

It is an amenable number.

231334345 is a deficient number, since it is larger than the sum of its proper divisors (85282487).

231334345 is a wasteful number, since it uses less digits than its factorization.

231334345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8013 (or 7990 counting only the distinct ones).

The product of its digits is 12960, while the sum is 28.

The square root of 231334345 is about 15209.6793194334. The cubic root of 231334345 is about 613.8751288962.

Adding to 231334345 its reverse (543433132), we get a palindrome (774767477).

The spelling of 231334345 in words is "two hundred thirty-one million, three hundred thirty-four thousand, three hundred forty-five".