231146686730 has 32 divisors (see below), whose sum is σ = 418808168064. Its totient is φ = 91849133376.

The previous prime is 231146686699. The next prime is 231146686753. The reversal of 231146686730 is 37686641132.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8311829 + ... + 8339591.

It is an arithmetic number, because the mean of its divisors is an integer number (13087755252).

Almost surely, 2^231146686730 is an apocalyptic number.

231146686730 is a deficient number, since it is larger than the sum of its proper divisors (187661481334).

231146686730 is a wasteful number, since it uses less digits than its factorization.

231146686730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33230.

The product of its (nonzero) digits is 870912, while the sum is 47.

The spelling of 231146686730 in words is "two hundred thirty-one billion, one hundred forty-six million, six hundred eighty-six thousand, seven hundred thirty".