201042131322 has 16 divisors (see below), whose sum is σ = 402569295840. Its totient is φ = 66933204912.

The previous prime is 201042131321. The next prime is 201042131347. The reversal of 201042131322 is 223131240102.

It is not an unprimeable number, because it can be changed into a prime (201042131321) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20204328 + ... + 20214275.

It is an arithmetic number, because the mean of its divisors is an integer number (25160580990).

Almost surely, 2^201042131322 is an apocalyptic number.

201042131322 is an abundant number, since it is smaller than the sum of its proper divisors (201527164518).

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

201042131322 is a wasteful number, since it uses less digits than its factorization.

201042131322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40419437.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 201042131322 its reverse (223131240102), we get a palindrome (424173371424).

The spelling of 201042131322 in words is "two hundred one billion, forty-two million, one hundred thirty-one thousand, three hundred twenty-two".