233131220000 has 360 divisors, whose sum is σ = 696251578176. Its totient is φ = 76448064000.

The previous prime is 233131219991. The next prime is 233131220039. The reversal of 233131220000 is 22131332.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 22534829 + ... + 22545171.

Almost surely, 2^233131220000 is an apocalyptic number.

233131220000 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 233131220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348125789088).

233131220000 is an abundant number, since it is smaller than the sum of its proper divisors (463120358176).

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

233131220000 is a wasteful number, since it uses less digits than its factorization.

233131220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10410 (or 10380 counting only the distinct ones).

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

Adding to 233131220000 its reverse (22131332), we get a palindrome (233153351332).

The spelling of 233131220000 in words is "two hundred thirty-three billion, one hundred thirty-one million, two hundred twenty thousand".