1133011331 has 4 divisors (see below), whose sum is σ = 1133389152. Its totient is φ = 1132633512.

The previous prime is 1133011277. The next prime is 1133011357. The reversal of 1133011331 is 1331103311.

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 1133011331 - 2⁶ = 1133011267 is a prime.

It is a super-3 number, since 3×1133011331³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133011531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 184376 + ... + 190421.

It is an arithmetic number, because the mean of its divisors is an integer number (283347288).

Almost surely, 2^1133011331 is an apocalyptic number.

1133011331 is a deficient number, since it is larger than the sum of its proper divisors (377821).

1133011331 is an equidigital number, since it uses as much as digits as its factorization.

1133011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377820.

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

The square root of 1133011331 is about 33660.2336741740. The cubic root of 1133011331 is about 1042.5048506964.

Adding to 1133011331 its reverse (1331103311), we get a palindrome (2464114642).

The spelling of 1133011331 in words is "one billion, one hundred thirty-three million, eleven thousand, three hundred thirty-one".