1133523313 has 8 divisors (see below), whose sum is σ = 1234434600. Its totient is φ = 1034571648.

The previous prime is 1133523271. The next prime is 1133523359. The reversal of 1133523313 is 3133253311.

It can be written as a sum of positive squares in 4 ways, for example, as 55845729 + 1077677584 = 7473^2 + 32828^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133523313 is a prime.

It is a super-2 number, since 2×1133523313² = 2569750202228991938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133523383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488698 + ... + 491011.

It is an arithmetic number, because the mean of its divisors is an integer number (154304325).

Almost surely, 2^1133523313 is an apocalyptic number.

1133523313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1133523313 is a deficient number, since it is larger than the sum of its proper divisors (100911287).

1133523313 is an equidigital number, since it uses as much as digits as its factorization.

1133523313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979811.

The product of its digits is 2430, while the sum is 25.

The square root of 1133523313 is about 33667.8379614730. The cubic root of 1133523313 is about 1042.6618551112.

Adding to 1133523313 its reverse (3133253311), we get a palindrome (4266776624).

The spelling of 1133523313 in words is "one billion, one hundred thirty-three million, five hundred twenty-three thousand, three hundred thirteen".