1011321133 has 2 divisors, whose sum is σ = 1011321134. Its totient is φ = 1011321132.

The previous prime is 1011321131. The next prime is 1011321163. The reversal of 1011321133 is 3311231101.

1011321133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1004446249 + 6874884 = 31693^2 + 2622^2 .

It is an emirp because it is prime and its reverse (3311231101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011321133 - 2¹ = 1011321131 is a prime.

Together with 1011321131, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011321131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505660566 + 505660567.

It is an arithmetic number, because the mean of its divisors is an integer number (505660567).

Almost surely, 2^1011321133 is an apocalyptic number.

It is an amenable number.

1011321133 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011321133 is an equidigital number, since it uses as much as digits as its factorization.

1011321133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1011321133 is about 31801.2756505144. The cubic root of 1011321133 is about 1003.7595590032.

Adding to 1011321133 its reverse (3311231101), we get a palindrome (4322552234).

The spelling of 1011321133 in words is "one billion, eleven million, three hundred twenty-one thousand, one hundred thirty-three".