231234313 has 16 divisors (see below), whose sum is σ = 257184000. Its totient is φ = 206986752.

The previous prime is 231234299. The next prime is 231234317. The reversal of 231234313 is 313432132.

It is a cyclic number.

It is not a de Polignac number, because 231234313 - 2⁵ = 231234281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231234317) 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 15 ways as a sum of consecutive naturals, for example, 21433 + ... + 30361.

It is an arithmetic number, because the mean of its divisors is an integer number (16074000).

Almost surely, 2^231234313 is an apocalyptic number.

It is an amenable number.

231234313 is a deficient number, since it is larger than the sum of its proper divisors (25949687).

231234313 is a wasteful number, since it uses less digits than its factorization.

231234313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9024.

The product of its digits is 1296, while the sum is 22.

The square root of 231234313 is about 15206.3905316153. The cubic root of 231234313 is about 613.7866335914.

Adding to 231234313 its reverse (313432132), we get a palindrome (544666445).

The spelling of 231234313 in words is "two hundred thirty-one million, two hundred thirty-four thousand, three hundred thirteen".