30133001321 has 4 divisors (see below), whose sum is σ = 30133938132. Its totient is φ = 30132064512.

The previous prime is 30133001221. The next prime is 30133001351. The reversal of 30133001321 is 12310033103.

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 16341787225 + 13791214096 = 127835^2 + 117436^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30133001321 is a prime.

It is a super-2 number, since 2×30133001321² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30133001321.

It is not an unprimeable number, because it can be changed into a prime (30133001351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418376 + ... + 485081.

It is an arithmetic number, because the mean of its divisors is an integer number (7533484533).

Almost surely, 2^30133001321 is an apocalyptic number.

It is an amenable number.

30133001321 is a deficient number, since it is larger than the sum of its proper divisors (936811).

30133001321 is an equidigital number, since it uses as much as digits as its factorization.

30133001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936810.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30133001321 its reverse (12310033103), we get a palindrome (42443034424).

The spelling of 30133001321 in words is "thirty billion, one hundred thirty-three million, one thousand, three hundred twenty-one".