201044031100 has 72 divisors (see below), whose sum is σ = 477428223888. Its totient is φ = 72876172800.

The previous prime is 201044031077. The next prime is 201044031101. The reversal of 201044031100 is 1130440102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201044031101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60424 + ... + 636976.

It is an arithmetic number, because the mean of its divisors is an integer number (6630947554).

Almost surely, 2^201044031100 is an apocalyptic number.

201044031100 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 201044031100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238714111944).

201044031100 is an abundant number, since it is smaller than the sum of its proper divisors (276384192788).

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

201044031100 is a wasteful number, since it uses less digits than its factorization.

201044031100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576895 (or 576888 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 201044031100 its reverse (1130440102), we get a palindrome (202174471202).

The spelling of 201044031100 in words is "two hundred one billion, forty-four million, thirty-one thousand, one hundred".