1331330003329 has 4 divisors (see below), whose sum is σ = 1331343624276. Its totient is φ = 1331316382384.

The previous prime is 1331330003293. The next prime is 1331330003351. The reversal of 1331330003329 is 9233000331331.

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 1286194151025 + 45135852304 = 1134105^2 + 212452^2 .

It is a cyclic number.

It is not a de Polignac number, because 1331330003329 - 2¹⁹ = 1331329479041 is a prime.

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 1331330003329.

It is not an unprimeable number, because it can be changed into a prime (1331330003389) 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, 6662794 + ... + 6859699.

It is an arithmetic number, because the mean of its divisors is an integer number (332835906069).

Almost surely, 2^{1331330003329} is an apocalyptic number.

It is an amenable number.

1331330003329 is a deficient number, since it is larger than the sum of its proper divisors (13620947).

1331330003329 is an equidigital number, since it uses as much as digits as its factorization.

1331330003329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13620946.

The product of its (nonzero) digits is 13122, while the sum is 31.

The spelling of 1331330003329 in words is "one trillion, three hundred thirty-one billion, three hundred thirty million, three thousand, three hundred twenty-nine".