203231022000000 has 896 divisors, whose sum is σ = 717153935937120. Its totient is φ = 50815795200000.

The previous prime is 203231021999989. The next prime is 203231022000001. The reversal of 203231022000000 is 220132302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203231022000001) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 28253996404 + ... + 28254003596.

Almost surely, 2^{203231022000000} is an apocalyptic number.

203231022000000 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 203231022000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358576967968560).

203231022000000 is an abundant number, since it is smaller than the sum of its proper divisors (513922913937120).

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

203231022000000 is an frugal number, since it uses more digits than its factorization.

203231022000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7534 (or 7497 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 203231022000000 its reverse (220132302), we get a palindrome (203231242132302).

The spelling of 203231022000000 in words is "two hundred three trillion, two hundred thirty-one billion, twenty-two million", and thus it is an aban number.