11033312131 has 4 divisors (see below), whose sum is σ = 11413771200. Its totient is φ = 10652853064.

The previous prime is 11033312119. The next prime is 11033312149. The reversal of 11033312131 is 13121333011.

11033312131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13121333011 = 29 ⋅452459759.

It is a cyclic number.

It is not a de Polignac number, because 11033312131 - 2¹¹ = 11033310083 is a prime.

It is a super-2 number, since 2×11033312131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11033312099 and 11033312108.

It is not an unprimeable number, because it can be changed into a prime (11033312161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190229491 + ... + 190229548.

It is an arithmetic number, because the mean of its divisors is an integer number (2853442800).

Almost surely, 2^11033312131 is an apocalyptic number.

11033312131 is a deficient number, since it is larger than the sum of its proper divisors (380459069).

11033312131 is an equidigital number, since it uses as much as digits as its factorization.

11033312131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380459068.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 11033312131 its reverse (13121333011), we get a palindrome (24154645142).

The spelling of 11033312131 in words is "eleven billion, thirty-three million, three hundred twelve thousand, one hundred thirty-one".