1133312013 has 16 divisors (see below), whose sum is σ = 1696293760. Its totient is φ = 747750528.

The previous prime is 1133312003. The next prime is 1133312053. The reversal of 1133312013 is 3102133311.

It is a happy number.

It is not a de Polignac number, because 1133312013 - 2⁸ = 1133311757 is a prime.

It is a super-2 number, since 2×1133312013² = 2568792237620224338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133312003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213745 + ... + 218982.

It is an arithmetic number, because the mean of its divisors is an integer number (106018360).

Almost surely, 2^1133312013 is an apocalyptic number.

It is an amenable number.

1133312013 is a deficient number, since it is larger than the sum of its proper divisors (562981747).

1133312013 is an equidigital number, since it uses as much as digits as its factorization.

1133312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432833 (or 432827 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1133312013 is about 33664.6998055827. The cubic root of 1133312013 is about 1042.5970635778.

Adding to 1133312013 its reverse (3102133311), we get a palindrome (4235445324).

The spelling of 1133312013 in words is "one billion, one hundred thirty-three million, three hundred twelve thousand, thirteen".