201331344162 has 16 divisors (see below), whose sum is σ = 433636741440. Its totient is φ = 61948105872.

The previous prime is 201331344161. The next prime is 201331344173. The reversal of 201331344162 is 261443133102.

It is not an unprimeable number, because it can be changed into a prime (201331344161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290585462 + ... + 1290585617.

It is an arithmetic number, because the mean of its divisors is an integer number (27102296340).

Almost surely, 2^201331344162 is an apocalyptic number.

201331344162 is an abundant number, since it is smaller than the sum of its proper divisors (232305397278).

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

201331344162 is a wasteful number, since it uses less digits than its factorization.

201331344162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581171097.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 201331344162 its reverse (261443133102), we get a palindrome (462774477264).

The spelling of 201331344162 in words is "two hundred one billion, three hundred thirty-one million, three hundred forty-four thousand, one hundred sixty-two".