11133301331 has 4 divisors (see below), whose sum is σ = 11290108464. Its totient is φ = 10976494200.

The previous prime is 11133301261. The next prime is 11133301349. The reversal of 11133301331 is 13310333111.

11133301331 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: 13310333111 = 41 ⋅324642271.

It is a cyclic number.

It is not a de Polignac number, because 11133301331 - 2²² = 11129107027 is a prime.

It is a super-2 number, since 2×11133301331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11133301381) 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, 78403460 + ... + 78403601.

It is an arithmetic number, because the mean of its divisors is an integer number (2822527116).

Almost surely, 2^11133301331 is an apocalyptic number.

11133301331 is a deficient number, since it is larger than the sum of its proper divisors (156807133).

11133301331 is an equidigital number, since it uses as much as digits as its factorization.

11133301331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156807132.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 11133301331 its reverse (13310333111), we get a palindrome (24443634442).

The spelling of 11133301331 in words is "eleven billion, one hundred thirty-three million, three hundred one thousand, three hundred thirty-one".