11023031011 has 8 divisors (see below), whose sum is σ = 11139213600. Its totient is φ = 10907175552.

The previous prime is 11023030987. The next prime is 11023031027. The reversal of 11023031011 is 11013032011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11023031011 - 2²⁵ = 10989476579 is a prime.

It is a super-3 number, since 3×11023031011³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11023030982 and 11023031000.

It is not an unprimeable number, because it can be changed into a prime (11023031111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13740 + ... + 149113.

It is an arithmetic number, because the mean of its divisors is an integer number (1392401700).

Almost surely, 2^11023031011 is an apocalyptic number.

11023031011 is a deficient number, since it is larger than the sum of its proper divisors (116182589).

11023031011 is a wasteful number, since it uses less digits than its factorization.

11023031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163565.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 11023031011 its reverse (11013032011), we get a palindrome (22036063022).

The spelling of 11023031011 in words is "eleven billion, twenty-three million, thirty-one thousand, eleven".