231203200000 has 132 divisors (see below), whose sum is σ = 577696790664. Its totient is φ = 92480000000.

The previous prime is 231203199991. The next prime is 231203200049. The reversal of 231203200000 is 2302132.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3163875 + ... + 3236125.

Almost surely, 2^231203200000 is an apocalyptic number.

231203200000 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 231203200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288848395332).

231203200000 is an abundant number, since it is smaller than the sum of its proper divisors (346493590664).

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

231203200000 is an frugal number, since it uses more digits than its factorization.

231203200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72296 (or 72258 counting only the distinct ones).

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

Adding to 231203200000 its reverse (2302132), we get a palindrome (231205502132).

It can be divided in two parts, 23120 and 3200000, that multiplied together give a square (73984000000 = 272000²).

The spelling of 231203200000 in words is "two hundred thirty-one billion, two hundred three million, two hundred thousand".