202003323313 has 6 divisors (see below), whose sum is σ = 222036710882. Its totient is φ = 183639384720.

The previous prime is 202003323311. The next prime is 202003323317. The reversal of 202003323313 is 313323300202.

It can be written as a sum of positive squares in only one way, i.e., 119399964849 + 82603358464 = 345543^2 + 287408^2 .

It is not a de Polignac number, because 202003323313 - 2¹ = 202003323311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202003323311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 834724356 + ... + 834724597.

Almost surely, 2^202003323313 is an apocalyptic number.

It is an amenable number.

202003323313 is a deficient number, since it is larger than the sum of its proper divisors (20033387569).

202003323313 is a wasteful number, since it uses less digits than its factorization.

202003323313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669448975 (or 1669448964 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 202003323313 its reverse (313323300202), we get a palindrome (515326623515).

The spelling of 202003323313 in words is "two hundred two billion, three million, three hundred twenty-three thousand, three hundred thirteen".