330130013030021 has 4 divisors (see below), whose sum is σ = 330432053299212. Its totient is φ = 329827972760832.

The previous prime is 330130013029969. The next prime is 330130013030071. The reversal of 330130013030021 is 120030310031033.

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 159598121236225 + 170531891793796 = 12633215^2 + 13058786^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-330130013030021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330130013029975 and 330130013030002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330130013030071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151020132956 + ... + 151020135141.

It is an arithmetic number, because the mean of its divisors is an integer number (82608013324803).

Almost surely, 2^{330130013030021} is an apocalyptic number.

It is an amenable number.

330130013030021 is a deficient number, since it is larger than the sum of its proper divisors (302040269191).

330130013030021 is a wasteful number, since it uses less digits than its factorization.

330130013030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302040269190.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 330130013030021 its reverse (120030310031033), we get a palindrome (450160323061054).

The spelling of 330130013030021 in words is "three hundred thirty trillion, one hundred thirty billion, thirteen million, thirty thousand, twenty-one".