1330003330321 has 4 divisors (see below), whose sum is σ = 1330017282100. Its totient is φ = 1329989378544.

The previous prime is 1330003330307. The next prime is 1330003330351. The reversal of 1330003330321 is 1230333000331.

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 172573776400 + 1157429553921 = 415420^2 + 1075839^2 .

It is a cyclic number.

It is not a de Polignac number, because 1330003330321 - 2⁷ = 1330003330193 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1330003330292 and 1330003330301.

It is not an unprimeable number, because it can be changed into a prime (1330003330351) 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, 6831906 + ... + 7023883.

It is an arithmetic number, because the mean of its divisors is an integer number (332504320525).

Almost surely, 2^{1330003330321} is an apocalyptic number.

It is an amenable number.

1330003330321 is a deficient number, since it is larger than the sum of its proper divisors (13951779).

1330003330321 is an equidigital number, since it uses as much as digits as its factorization.

1330003330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13951778.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 1330003330321 its reverse (1230333000331), we get a palindrome (2560336330652).

It can be divided in two parts, 133000 and 3330321, that added together give a square (3463321 = 1861²).

The spelling of 1330003330321 in words is "one trillion, three hundred thirty billion, three million, three hundred thirty thousand, three hundred twenty-one".