11320231313 has 4 divisors (see below), whose sum is σ = 11320458240. Its totient is φ = 11320004388.

The previous prime is 11320231301. The next prime is 11320231327. The reversal of 11320231313 is 31313202311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11320231313 - 2²⁸ = 11051795857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11320231513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2393 + ... + 150486.

It is an arithmetic number, because the mean of its divisors is an integer number (2830114560).

Almost surely, 2^11320231313 is an apocalyptic number.

It is an amenable number.

11320231313 is a deficient number, since it is larger than the sum of its proper divisors (226927).

11320231313 is an equidigital number, since it uses as much as digits as its factorization.

11320231313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226926.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11320231313 its reverse (31313202311), we get a palindrome (42633433624).

The spelling of 11320231313 in words is "eleven billion, three hundred twenty million, two hundred thirty-one thousand, three hundred thirteen".