11023231313 has 4 divisors (see below), whose sum is σ = 11023551540. Its totient is φ = 11022911088.

The previous prime is 11023231279. The next prime is 11023231369. The reversal of 11023231313 is 31313232011.

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 10935303184 + 87928129 = 104572^2 + 9377^2 .

It is a cyclic number.

It is not a de Polignac number, because 11023231313 - 2¹² = 11023227217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11023230313) 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, 101270 + ... + 179727.

It is an arithmetic number, because the mean of its divisors is an integer number (2755887885).

Almost surely, 2^11023231313 is an apocalyptic number.

It is an amenable number.

11023231313 is a deficient number, since it is larger than the sum of its proper divisors (320227).

11023231313 is an equidigital number, since it uses as much as digits as its factorization.

11023231313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320226.

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

Adding to 11023231313 its reverse (31313232011), we get a palindrome (42336463324).

The spelling of 11023231313 in words is "eleven billion, twenty-three million, two hundred thirty-one thousand, three hundred thirteen".