2133301321 has 4 divisors (see below), whose sum is σ = 2258789652. Its totient is φ = 2007812992.

The previous prime is 2133301319. The next prime is 2133301343. The reversal of 2133301321 is 1231033312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1952667721 + 180633600 = 44189^2 + 13440^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133301321 - 2¹ = 2133301319 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (2133301721) 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 in 3 ways as a sum of consecutive naturals, for example, 62744140 + ... + 62744173.

It is an arithmetic number, because the mean of its divisors is an integer number (564697413).

Almost surely, 2^2133301321 is an apocalyptic number.

It is an amenable number.

2133301321 is a deficient number, since it is larger than the sum of its proper divisors (125488331).

2133301321 is a wasteful number, since it uses less digits than its factorization.

2133301321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125488330.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 2133301321 is about 46187.6749901962. The cubic root of 2133301321 is about 1287.3127403653.

Adding to 2133301321 its reverse (1231033312), we get a palindrome (3364334633).

The spelling of 2133301321 in words is "two billion, one hundred thirty-three million, three hundred one thousand, three hundred twenty-one".