201331005 has 8 divisors (see below), whose sum is σ = 322129632. Its totient is φ = 107376528.

The previous prime is 201331003. The next prime is 201331027. The reversal of 201331005 is 500133102.

It is a happy number.

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

It is not a de Polignac number, because 201331005 - 2¹ = 201331003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 13422067 = 201331005 / (2 + 0 + 1 + 3 + 3 + 1 + 0 + 0 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201331003) 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, 6711019 + ... + 6711048.

It is an arithmetic number, because the mean of its divisors is an integer number (40266204).

Almost surely, 2^201331005 is an apocalyptic number.

It is an amenable number.

201331005 is a deficient number, since it is larger than the sum of its proper divisors (120798627).

201331005 is a wasteful number, since it uses less digits than its factorization.

201331005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13422075.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 201331005 is about 14189.1157229758. The cubic root of 201331005 is about 586.0979744707.

Adding to 201331005 its reverse (500133102), we get a palindrome (701464107).

The spelling of 201331005 in words is "two hundred one million, three hundred thirty-one thousand, five".