1133213113 has 2 divisors, whose sum is σ = 1133213114. Its totient is φ = 1133213112.

The previous prime is 1133213111. The next prime is 1133213117. The reversal of 1133213113 is 3113123311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 916151824 + 217061289 = 30268^2 + 14733^2 .

It is a cyclic number.

It is not a de Polignac number, because 1133213113 - 2¹ = 1133213111 is a prime.

Together with 1133213111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1133213111) 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 as a sum of consecutive naturals, namely, 566606556 + 566606557.

It is an arithmetic number, because the mean of its divisors is an integer number (566606557).

Almost surely, 2^1133213113 is an apocalyptic number.

It is an amenable number.

1133213113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133213113 is an equidigital number, since it uses as much as digits as its factorization.

1133213113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 19.

The square root of 1133213113 is about 33663.2308758384. The cubic root of 1133213113 is about 1042.5667348163.

Adding to 1133213113 its reverse (3113123311), we get a palindrome (4246336424).

The spelling of 1133213113 in words is "one billion, one hundred thirty-three million, two hundred thirteen thousand, one hundred thirteen".