231101361 has 6 divisors (see below), whose sum is σ = 333813090. Its totient is φ = 154067568.

The previous prime is 231101347. The next prime is 231101363. The reversal of 231101361 is 163101132.

It can be written as a sum of positive squares in only one way, i.e., 220700736 + 10400625 = 14856^2 + 3225^2 .

It is not a de Polignac number, because 231101361 - 2⁵ = 231101329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231101363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12838956 + ... + 12838973.

It is an arithmetic number, because the mean of its divisors is an integer number (55635515).

Almost surely, 2^231101361 is an apocalyptic number.

It is an amenable number.

231101361 is a deficient number, since it is larger than the sum of its proper divisors (102711729).

231101361 is a wasteful number, since it uses less digits than its factorization.

231101361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25677935 (or 25677932 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 231101361 is about 15202.0183199469. The cubic root of 231101361 is about 613.6689754400.

Adding to 231101361 its reverse (163101132), we get a palindrome (394202493).

The spelling of 231101361 in words is "two hundred thirty-one million, one hundred one thousand, three hundred sixty-one".