201331230100 has 288 divisors, whose sum is σ = 587598391296. Its totient is φ = 57826137600.

The previous prime is 201331230091. The next prime is 201331230131. The reversal of 201331230100 is 1032133102.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 74372947 + ... + 74375653.

It is an arithmetic number, because the mean of its divisors is an integer number (2040272192).

Almost surely, 2^201331230100 is an apocalyptic number.

201331230100 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 201331230100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293799195648).

201331230100 is an abundant number, since it is smaller than the sum of its proper divisors (386267161196).

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

201331230100 is a wasteful number, since it uses less digits than its factorization.

201331230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 201331230100 its reverse (1032133102), we get a palindrome (202363363202).

The spelling of 201331230100 in words is "two hundred one billion, three hundred thirty-one million, two hundred thirty thousand, one hundred".