231546042118 has 4 divisors (see below), whose sum is σ = 347319063180. Its totient is φ = 115773021058.

The previous prime is 231546042107. The next prime is 231546042127. The reversal of 231546042118 is 811240645132.

231546042118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×231546042118² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 57886510528 + ... + 57886510531.

It is an arithmetic number, because the mean of its divisors is an integer number (86829765795).

Almost surely, 2^231546042118 is an apocalyptic number.

231546042118 is a deficient number, since it is larger than the sum of its proper divisors (115773021062).

231546042118 is a wasteful number, since it uses less digits than its factorization.

231546042118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115773021061.

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 231546042118 in words is "two hundred thirty-one billion, five hundred forty-six million, forty-two thousand, one hundred eighteen".