2133331 has 2 divisors, whose sum is σ = 2133332. Its totient is φ = 2133330.

The previous prime is 2133311. The next prime is 2133361. The reversal of 2133331 is 1333312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2133331 - 2¹⁵ = 2100563 is a prime.

It is a super-2 number, since 2×2133331² = 9102202311122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2133311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066665 + 1066666.

It is an arithmetic number, because the mean of its divisors is an integer number (1066666).

2^2133331 is an apocalyptic number.

2133331 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133331 is an equidigital number, since it uses as much as digits as its factorization.

2133331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162, while the sum is 16.

The square root of 2133331 is about 1460.5926879182. The cubic root of 2133331 is about 128.7318710139.

Adding to 2133331 its reverse (1333312), we get a palindrome (3466643).

It can be divided in two parts, 2 and 133331, that multiplied together give a palindrome (266662).

The spelling of 2133331 in words is "two million, one hundred thirty-three thousand, three hundred thirty-one".