201231032202 has 108 divisors (see below), whose sum is σ = 472949399286. Its totient is φ = 61826431680.

The previous prime is 201231032179. The next prime is 201231032243. The reversal of 201231032202 is 202230132102.

201231032202 is a `hidden beast` number, since 20 + 12 + 310 + 322 + 0 + 2 = 666.

201231032202 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 173281545441 + 27949486761 = 416271^2 + 167181^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 8884452 + ... + 8907072.

Almost surely, 2^201231032202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201231032202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236474699643).

201231032202 is an abundant number, since it is smaller than the sum of its proper divisors (271718367084).

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

201231032202 is a wasteful number, since it uses less digits than its factorization.

201231032202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22741 (or 22682 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 201231032202 its reverse (202230132102), we get a palindrome (403461164304).

The spelling of 201231032202 in words is "two hundred one billion, two hundred thirty-one million, thirty-two thousand, two hundred two".