231063217 has 8 divisors (see below), whose sum is σ = 288078912. Its totient is φ = 180049200.

The previous prime is 231063211. The next prime is 231063227. The reversal of 231063217 is 712360132.

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

It is a cyclic number.

It is not a de Polignac number, because 231063217 - 2²³ = 222674609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231063191 and 231063200.

It is not an unprimeable number, because it can be changed into a prime (231063211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1500334 + ... + 1500487.

It is an arithmetic number, because the mean of its divisors is an integer number (36009864).

Almost surely, 2^231063217 is an apocalyptic number.

It is an amenable number.

231063217 is a deficient number, since it is larger than the sum of its proper divisors (57015695).

231063217 is a wasteful number, since it uses less digits than its factorization.

231063217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000839.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 231063217 is about 15200.7636979199. The cubic root of 231063217 is about 613.6352109232.

The spelling of 231063217 in words is "two hundred thirty-one million, sixty-three thousand, two hundred seventeen".