11311022313 has 24 divisors (see below), whose sum is σ = 16764097896. Its totient is φ = 7344691200.

The previous prime is 11311022311. The next prime is 11311022341. The reversal of 11311022313 is 31322011311.

It can be written as a sum of positive squares in 4 ways, for example, as 31945104 + 11279077209 = 5652^2 + 106203^2 .

It is not a de Polignac number, because 11311022313 - 2¹ = 11311022311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311022311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202833 + ... + 252513.

It is an arithmetic number, because the mean of its divisors is an integer number (698504079).

Almost surely, 2^11311022313 is an apocalyptic number.

It is an amenable number.

11311022313 is a deficient number, since it is larger than the sum of its proper divisors (5453075583).

11311022313 is a wasteful number, since it uses less digits than its factorization.

11311022313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50345 (or 50342 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11311022313 its reverse (31322011311), we get a palindrome (42633033624).

The spelling of 11311022313 in words is "eleven billion, three hundred eleven million, twenty-two thousand, three hundred thirteen".