11320202313 has 18 divisors (see below), whose sum is σ = 19021020954. Its totient is φ = 6468686784.

The previous prime is 11320202293. The next prime is 11320202321. The reversal of 11320202313 is 31320202311.

11320202313 is a `hidden beast` number, since 11 + 320 + 20 + 2 + 313 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11255512464 + 64689849 = 106092^2 + 8043^2 .

It is not a de Polignac number, because 11320202313 - 2⁸ = 11320202057 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11320202393) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12834256 + ... + 12835137.

Almost surely, 2^11320202313 is an apocalyptic number.

It is an amenable number.

11320202313 is a deficient number, since it is larger than the sum of its proper divisors (7700818641).

11320202313 is a wasteful number, since it uses less digits than its factorization.

11320202313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25669413 (or 25669403 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 11320202313 its reverse (31320202311), we get a palindrome (42640404624).

The spelling of 11320202313 in words is "eleven billion, three hundred twenty million, two hundred two thousand, three hundred thirteen".