231200310320 has 120 divisors (see below), whose sum is σ = 627562828944. Its totient is φ = 78982138368.

The previous prime is 231200310287. The next prime is 231200310331. The reversal of 231200310320 is 23013002132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 979379 + ... + 1192301.

Almost surely, 2^231200310320 is an apocalyptic number.

231200310320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231200310320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313781414472).

231200310320 is an abundant number, since it is smaller than the sum of its proper divisors (396362518624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231200310320 is a wasteful number, since it uses less digits than its factorization.

231200310320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213227 (or 213214 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 231200310320 its reverse (23013002132), we get a palindrome (254213312452).

The spelling of 231200310320 in words is "two hundred thirty-one billion, two hundred million, three hundred ten thousand, three hundred twenty".