231109878014 has 32 divisors (see below), whose sum is σ = 357015296736. Its totient is φ = 112172083200.

The previous prime is 231109878007. The next prime is 231109878017. The reversal of 231109878014 is 410878901132.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231109878017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2041442 + ... + 2151674.

It is an arithmetic number, because the mean of its divisors is an integer number (11156728023).

Almost surely, 2^231109878014 is an apocalyptic number.

231109878014 is a deficient number, since it is larger than the sum of its proper divisors (125905418722).

231109878014 is a wasteful number, since it uses less digits than its factorization.

231109878014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110540.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 231109878014 in words is "two hundred thirty-one billion, one hundred nine million, eight hundred seventy-eight thousand, fourteen".