231041313 has 24 divisors (see below), whose sum is σ = 339558336. Its totient is φ = 151351200.

The previous prime is 231041309. The next prime is 231041351. The reversal of 231041313 is 313140132.

231041313 is a `hidden beast` number, since 2 + 310 + 41 + 313 = 666.

It is not a de Polignac number, because 231041313 - 2² = 231041309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231043313) 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 23 ways as a sum of consecutive naturals, for example, 349203 + ... + 349863.

It is an arithmetic number, because the mean of its divisors is an integer number (14148264).

Almost surely, 2^231041313 is an apocalyptic number.

It is an amenable number.

231041313 is a deficient number, since it is larger than the sum of its proper divisors (108517023).

231041313 is a wasteful number, since it uses less digits than its factorization.

231041313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 231041313 is about 15200.0431907281. The cubic root of 231041313 is about 613.6158201398.

Adding to 231041313 its reverse (313140132), we get a palindrome (544181445).

The spelling of 231041313 in words is "two hundred thirty-one million, forty-one thousand, three hundred thirteen".