231203200000000 has 252 divisors, whose sum is σ = 577980424776996. Its totient is φ = 92480000000000.

The previous prime is 231203199999931. The next prime is 231203200000009. The reversal of 231203200000000 is 2302132.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231203200000009) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 3199963875 + ... + 3200036125.

Almost surely, 2^{231203200000000} is an apocalyptic number.

231203200000000 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 231203200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288990212388498).

231203200000000 is an abundant number, since it is smaller than the sum of its proper divisors (346777224776996).

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

231203200000000 is an frugal number, since it uses more digits than its factorization.

231203200000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72317 (or 72258 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 231203200000000 its reverse (2302132), we get a palindrome (231203202302132).

The spelling of 231203200000000 in words is "two hundred thirty-one trillion, two hundred three billion, two hundred million", and thus it is an aban number.