33130322321 has 4 divisors (see below), whose sum is σ = 33132152100. Its totient is φ = 33128492544.

The previous prime is 33130322317. The next prime is 33130322453. The reversal of 33130322321 is 12322303133.

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 24311046400 + 8819275921 = 155920^2 + 93911^2 .

It is a cyclic number.

It is not a de Polignac number, because 33130322321 - 2² = 33130322317 is a prime.

It is a super-3 number, since 3×33130322321³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33130322311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887456 + ... + 924033.

It is an arithmetic number, because the mean of its divisors is an integer number (8283038025).

Almost surely, 2^33130322321 is an apocalyptic number.

It is an amenable number.

33130322321 is a deficient number, since it is larger than the sum of its proper divisors (1829779).

33130322321 is a wasteful number, since it uses less digits than its factorization.

33130322321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829778.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 33130322321 its reverse (12322303133), we get a palindrome (45452625454).

The spelling of 33130322321 in words is "thirty-three billion, one hundred thirty million, three hundred twenty-two thousand, three hundred twenty-one".