201331500000 has 336 divisors, whose sum is σ = 669366432000. Its totient is φ = 52977600000.

The previous prime is 201331499977. The next prime is 201331500047. The reversal of 201331500000 is 5133102.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 118499151 + ... + 118500849.

It is an arithmetic number, because the mean of its divisors is an integer number (1992162000).

Almost surely, 2^201331500000 is an apocalyptic number.

201331500000 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 201331500000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334683216000).

201331500000 is an abundant number, since it is smaller than the sum of its proper divisors (468034932000).

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

201331500000 is an frugal number, since it uses more digits than its factorization.

201331500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821 (or 1788 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

Adding to 201331500000 its reverse (5133102), we get a palindrome (201336633102).

The spelling of 201331500000 in words is "two hundred one billion, three hundred thirty-one million, five hundred thousand".