231101313 has 16 divisors (see below), whose sum is σ = 324952320. Its totient is φ = 145688976.

The previous prime is 231101279. The next prime is 231101317. The reversal of 231101313 is 313101132.

It is a de Polignac number, because none of the positive numbers 2^k-231101313 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 231101292 and 231101301.

It is not an unprimeable number, because it can be changed into a prime (231101317) 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, 30006 + ... + 36912.

It is an arithmetic number, because the mean of its divisors is an integer number (20309520).

Almost surely, 2^231101313 is an apocalyptic number.

It is an amenable number.

231101313 is a deficient number, since it is larger than the sum of its proper divisors (93851007).

231101313 is a wasteful number, since it uses less digits than its factorization.

231101313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7516.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 231101313 is about 15202.0167412090. The cubic root of 231101313 is about 613.6689329535.

Adding to 231101313 its reverse (313101132), we get a palindrome (544202445).

The spelling of 231101313 in words is "two hundred thirty-one million, one hundred one thousand, three hundred thirteen".