231783728195 has 16 divisors (see below), whose sum is σ = 284092859520. Its totient is φ = 181459684224.

The previous prime is 231783728171. The next prime is 231783728251. The reversal of 231783728195 is 591827387132.

231783728195 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 231783728195 - 2¹² = 231783724099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231783728195.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2034401 + ... + 2145309.

It is an arithmetic number, because the mean of its divisors is an integer number (17755803720).

Almost surely, 2^231783728195 is an apocalyptic number.

231783728195 is a deficient number, since it is larger than the sum of its proper divisors (52309131325).

231783728195 is a wasteful number, since it uses less digits than its factorization.

231783728195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119854.

The product of its digits is 5080320, while the sum is 56.

The spelling of 231783728195 in words is "two hundred thirty-one billion, seven hundred eighty-three million, seven hundred twenty-eight thousand, one hundred ninety-five".