2031330221201 has 4 divisors (see below), whose sum is σ = 2031343362612. Its totient is φ = 2031317079792.

The previous prime is 2031330221159. The next prime is 2031330221231. The reversal of 2031330221201 is 1021220331302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1648268254801 + 383061966400 = 1283849^2 + 618920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031330221201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2031330221231) 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 3 ways as a sum of consecutive naturals, for example, 6336050 + ... + 6648923.

It is an arithmetic number, because the mean of its divisors is an integer number (507835840653).

Almost surely, 2^{2031330221201} is an apocalyptic number.

It is an amenable number.

2031330221201 is a deficient number, since it is larger than the sum of its proper divisors (13141411).

2031330221201 is a wasteful number, since it uses less digits than its factorization.

2031330221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13141410.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2031330221201 its reverse (1021220331302), we get a palindrome (3052550552503).

The spelling of 2031330221201 in words is "two trillion, thirty-one billion, three hundred thirty million, two hundred twenty-one thousand, two hundred one".