1321330140203 has 8 divisors (see below), whose sum is σ = 1325191887600. Its totient is φ = 1317468826080.

The previous prime is 1321330140199. The next prime is 1321330140209. The reversal of 1321330140203 is 3020410331231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1321330140203 - 2² = 1321330140199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1321330140209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6606101 + ... + 6803177.

It is an arithmetic number, because the mean of its divisors is an integer number (165648985950).

Almost surely, 2^{1321330140203} is an apocalyptic number.

1321330140203 is a deficient number, since it is larger than the sum of its proper divisors (3861747397).

1321330140203 is a wasteful number, since it uses less digits than its factorization.

1321330140203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216637.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1321330140203 its reverse (3020410331231), we get a palindrome (4341740471434).

The spelling of 1321330140203 in words is "one trillion, three hundred twenty-one billion, three hundred thirty million, one hundred forty thousand, two hundred three".