1133355331 has 4 divisors (see below), whose sum is σ = 1133426200. Its totient is φ = 1133284464.

The previous prime is 1133355329. The next prime is 1133355341. The reversal of 1133355331 is 1335533311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1133355331 - 2¹ = 1133355329 is a prime.

It is a super-2 number, since 2×1133355331² = 2568988612612239122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1133355331.

It is not an unprimeable number, because it can be changed into a prime (1133355341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135 + ... + 47623.

It is an arithmetic number, because the mean of its divisors is an integer number (283356550).

Almost surely, 2^1133355331 is an apocalyptic number.

1133355331 is a deficient number, since it is larger than the sum of its proper divisors (70869).

1133355331 is an equidigital number, since it uses as much as digits as its factorization.

1133355331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70868.

The product of its digits is 6075, while the sum is 28.

The square root of 1133355331 is about 33665.3431736556. The cubic root of 1133355331 is about 1042.6103469583.

Adding to 1133355331 its reverse (1335533311), we get a palindrome (2468888642).

The spelling of 1133355331 in words is "one billion, one hundred thirty-three million, three hundred fifty-five thousand, three hundred thirty-one".