231310130188 has 6 divisors (see below), whose sum is σ = 404792727836. Its totient is φ = 115655065092.

The previous prime is 231310130159. The next prime is 231310130189. The reversal of 231310130188 is 881031013132.

231310130188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (231310130189) by changing a digit.

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 as a sum of consecutive naturals, namely, 28913766270 + ... + 28913766277.

Almost surely, 2^231310130188 is an apocalyptic number.

It is an amenable number.

231310130188 is a deficient number, since it is larger than the sum of its proper divisors (173482597648).

231310130188 is a wasteful number, since it uses less digits than its factorization.

231310130188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57827532551 (or 57827532549 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 231310130188 in words is "two hundred thirty-one billion, three hundred ten million, one hundred thirty thousand, one hundred eighty-eight".