201031201003321 has 8 divisors (see below), whose sum is σ = 216496967409800. Its totient is φ = 185565695720832.

The previous prime is 201031201003271. The next prime is 201031201003337. The reversal of 201031201003321 is 123300102130102.

It can be written as a sum of positive squares in 4 ways, for example, as 104186707281721 + 96844493721600 = 10207189^2 + 9840960^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 201031201003321 - 2¹³ = 201031200995129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201031201003361) 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, 63680580 + ... + 66762853.

It is an arithmetic number, because the mean of its divisors is an integer number (27062120926225).

Almost surely, 2^{201031201003321} is an apocalyptic number.

It is an amenable number.

201031201003321 is a deficient number, since it is larger than the sum of its proper divisors (15465766406479).

201031201003321 is a wasteful number, since it uses less digits than its factorization.

201031201003321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130561995.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 201031201003321 its reverse (123300102130102), we get a palindrome (324331303133423).

The spelling of 201031201003321 in words is "two hundred one trillion, thirty-one billion, two hundred one million, three thousand, three hundred twenty-one".