11320331011 has 4 divisors (see below), whose sum is σ = 12349452024. Its totient is φ = 10291210000.

The previous prime is 11320330999. The next prime is 11320331021. The reversal of 11320331011 is 11013302311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11320331011 - 2⁵ = 11320330979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11320331021) 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, 514560490 + ... + 514560511.

It is an arithmetic number, because the mean of its divisors is an integer number (3087363006).

Almost surely, 2^11320331011 is an apocalyptic number.

11320331011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11320331011 is a deficient number, since it is larger than the sum of its proper divisors (1029121013).

11320331011 is a wasteful number, since it uses less digits than its factorization.

11320331011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029121012.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11320331011 its reverse (11013302311), we get a palindrome (22333633322).

The spelling of 11320331011 in words is "eleven billion, three hundred twenty million, three hundred thirty-one thousand, eleven".