2021322003313 has 4 divisors (see below), whose sum is σ = 2022278617828. Its totient is φ = 2020365388800.

The previous prime is 2021322003293. The next prime is 2021322003341. The reversal of 2021322003313 is 3133002231202.

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 261435870864 + 1759886132449 = 511308^2 + 1326607^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021322003313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021322043313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 478304088 + ... + 478308313.

It is an arithmetic number, because the mean of its divisors is an integer number (505569654457).

Almost surely, 2^{2021322003313} is an apocalyptic number.

It is an amenable number.

2021322003313 is a deficient number, since it is larger than the sum of its proper divisors (956614515).

2021322003313 is an equidigital number, since it uses as much as digits as its factorization.

2021322003313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956614514.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 2021322003313 its reverse (3133002231202), we get a palindrome (5154324234515).

The spelling of 2021322003313 in words is "two trillion, twenty-one billion, three hundred twenty-two million, three thousand, three hundred thirteen".