2133221310313 has 6 divisors (see below), whose sum is σ = 2266086305726. Its totient is φ = 2007737703552.

The previous prime is 2133221310289. The next prime is 2133221310349. The reversal of 2133221310313 is 3130131223312.

It can be written as a sum of positive squares in 3 ways, for example, as 1427802738649 + 705418571664 = 1194907^2 + 839892^2 .

It is not a de Polignac number, because 2133221310313 - 2¹⁷ = 2133221179241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2133221310383) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3690694020 + ... + 3690694597.

Almost surely, 2^{2133221310313} is an apocalyptic number.

It is an amenable number.

2133221310313 is a deficient number, since it is larger than the sum of its proper divisors (132864995413).

2133221310313 is an equidigital number, since it uses as much as digits as its factorization.

2133221310313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7381388651 (or 7381388634 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 2133221310313 its reverse (3130131223312), we get a palindrome (5263352533625).

The spelling of 2133221310313 in words is "two trillion, one hundred thirty-three billion, two hundred twenty-one million, three hundred ten thousand, three hundred thirteen".