231309330873 has 8 divisors (see below), whose sum is σ = 310766735136. Its totient is φ = 153029073600.

The previous prime is 231309330851. The next prime is 231309330919. The reversal of 231309330873 is 378033903132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231309330873 - 2²⁹ = 230772459961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (231309330173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294286288 + ... + 294287073.

It is an arithmetic number, because the mean of its divisors is an integer number (38845841892).

Almost surely, 2^231309330873 is an apocalyptic number.

It is an amenable number.

231309330873 is a deficient number, since it is larger than the sum of its proper divisors (79457404263).

231309330873 is a wasteful number, since it uses less digits than its factorization.

231309330873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588573495.

The product of its (nonzero) digits is 244944, while the sum is 42.

The spelling of 231309330873 in words is "two hundred thirty-one billion, three hundred nine million, three hundred thirty thousand, eight hundred seventy-three".