231650113 has 8 divisors (see below), whose sum is σ = 234161928. Its totient is φ = 229146624.

The previous prime is 231650099. The next prime is 231650119. The reversal of 231650113 is 311056132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9878449 + 221771664 = 3143^2 + 14892^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231650113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231650119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65281 + ... + 68737.

It is an arithmetic number, because the mean of its divisors is an integer number (29270241).

Almost surely, 2^231650113 is an apocalyptic number.

It is an amenable number.

231650113 is a deficient number, since it is larger than the sum of its proper divisors (2511815).

231650113 is a wasteful number, since it uses less digits than its factorization.

231650113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 231650113 is about 15220.0562745346. The cubic root of 231650113 is about 614.1543121008.

The spelling of 231650113 in words is "two hundred thirty-one million, six hundred fifty thousand, one hundred thirteen".