231788713 has 8 divisors (see below), whose sum is σ = 250342848. Its totient is φ = 213338064.

The previous prime is 231788647. The next prime is 231788717. The reversal of 231788713 is 317887132.

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-231788713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231788717) 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 7 ways as a sum of consecutive naturals, for example, 21181 + ... + 30202.

It is an arithmetic number, because the mean of its divisors is an integer number (31292856).

Almost surely, 2^231788713 is an apocalyptic number.

It is an amenable number.

231788713 is a deficient number, since it is larger than the sum of its proper divisors (18554135).

231788713 is a wasteful number, since it uses less digits than its factorization.

231788713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51743.

The product of its digits is 56448, while the sum is 40.

The square root of 231788713 is about 15224.6087962877. The cubic root of 231788713 is about 614.2767738249.

The spelling of 231788713 in words is "two hundred thirty-one million, seven hundred eighty-eight thousand, seven hundred thirteen".