11033310131 has 4 divisors (see below), whose sum is σ = 11682328392. Its totient is φ = 10384291872.

The previous prime is 11033310109. The next prime is 11033310133. The reversal of 11033310131 is 13101333011.

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 11033310131 - 2²² = 11029115827 is a prime.

It is a super-2 number, since 2×11033310131² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 649018243 = 11033310131 / (1 + 1 + 0 + 3 + 3 + 3 + 1 + 0 + 1 + 3 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11033310133) 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, 324509105 + ... + 324509138.

It is an arithmetic number, because the mean of its divisors is an integer number (2920582098).

Almost surely, 2^11033310131 is an apocalyptic number.

11033310131 is a deficient number, since it is larger than the sum of its proper divisors (649018261).

11033310131 is an equidigital number, since it uses as much as digits as its factorization.

11033310131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649018260.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 11033310131 its reverse (13101333011), we get a palindrome (24134643142).

The spelling of 11033310131 in words is "eleven billion, thirty-three million, three hundred ten thousand, one hundred thirty-one".