2131133 has 2 divisors, whose sum is σ = 2131134. Its totient is φ = 2131132.

The previous prime is 2131127. The next prime is 2131141. The reversal of 2131133 is 3311312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 120409 = 1418^2 + 347^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131133 - 2¹⁶ = 2065597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065566 + 1065567.

It is an arithmetic number, because the mean of its divisors is an integer number (1065567).

2^2131133 is an apocalyptic number.

It is an amenable number.

2131133 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131133 is an equidigital number, since it uses as much as digits as its factorization.

2131133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54, while the sum is 14.

The square root of 2131133 is about 1459.8400597326. The cubic root of 2131133 is about 128.6876444210.

Adding to 2131133 its reverse (3311312), we get a palindrome (5442445).

The spelling of 2131133 in words is "two million, one hundred thirty-one thousand, one hundred thirty-three".