201322131 has 8 divisors (see below), whose sum is σ = 269779200. Its totient is φ = 133539912.

The previous prime is 201322129. The next prime is 201322139. The reversal of 201322131 is 131223102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201322131 - 2¹ = 201322129 is a prime.

It is a super-2 number, since 2×201322131² = 81061200860762322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 201322131.

It is not an unprimeable number, because it can be changed into a prime (201322139) 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, 168015 + ... + 169208.

It is an arithmetic number, because the mean of its divisors is an integer number (33722400).

Almost surely, 2^201322131 is an apocalyptic number.

201322131 is a deficient number, since it is larger than the sum of its proper divisors (68457069).

201322131 is a wasteful number, since it uses less digits than its factorization.

201322131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337425.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 201322131 is about 14188.8030150538. The cubic root of 201322131 is about 586.0893632621.

Adding to 201322131 its reverse (131223102), we get a palindrome (332545233).

The spelling of 201322131 in words is "two hundred one million, three hundred twenty-two thousand, one hundred thirty-one".