231303344099 has 4 divisors (see below), whose sum is σ = 231852758640. Its totient is φ = 230753929560.

The previous prime is 231303344089. The next prime is 231303344159. The reversal of 231303344099 is 990443303132.

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

It is a cyclic number.

It is not a de Polignac number, because 231303344099 - 2²⁴ = 231286566883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231303344089) 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 3 ways as a sum of consecutive naturals, for example, 274706639 + ... + 274707480.

It is an arithmetic number, because the mean of its divisors is an integer number (57963189660).

Almost surely, 2^231303344099 is an apocalyptic number.

231303344099 is a deficient number, since it is larger than the sum of its proper divisors (549414541).

231303344099 is an equidigital number, since it uses as much as digits as its factorization.

231303344099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549414540.

The product of its (nonzero) digits is 209952, while the sum is 41.

The spelling of 231303344099 in words is "two hundred thirty-one billion, three hundred three million, three hundred forty-four thousand, ninety-nine".