11320213311 has 12 divisors (see below), whose sum is σ = 17837912040. Its totient is φ = 6860735280.

The previous prime is 11320213279. The next prime is 11320213339. The reversal of 11320213311 is 11331202311.

11320213311 is a `hidden beast` number, since 11 + 320 + 2 + 1 + 331 + 1 = 666.

It is not a de Polignac number, because 11320213311 - 2⁵ = 11320213279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320213361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57172696 + ... + 57172893.

It is an arithmetic number, because the mean of its divisors is an integer number (1486492670).

Almost surely, 2^11320213311 is an apocalyptic number.

11320213311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11320213311 is a deficient number, since it is larger than the sum of its proper divisors (6517698729).

11320213311 is a wasteful number, since it uses less digits than its factorization.

11320213311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114345606 (or 114345603 counting only the distinct ones).

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

Adding to 11320213311 its reverse (11331202311), we get a palindrome (22651415622).

The spelling of 11320213311 in words is "eleven billion, three hundred twenty million, two hundred thirteen thousand, three hundred eleven".