1331331220003 has 8 divisors (see below), whose sum is σ = 1335406577760. Its totient is φ = 1327262090880.

The previous prime is 1331331219973. The next prime is 1331331220013. The reversal of 1331331220003 is 3000221331331.

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 1331331220003 - 2¹⁷ = 1331331088931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331331220013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1128838 + ... + 1984171.

It is an arithmetic number, because the mean of its divisors is an integer number (166925822220).

Almost surely, 2^{1331331220003} is an apocalyptic number.

1331331220003 is a deficient number, since it is larger than the sum of its proper divisors (4075357757).

1331331220003 is an equidigital number, since it uses as much as digits as its factorization.

1331331220003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114317.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1331331220003 its reverse (3000221331331), we get a palindrome (4331552551334).

The spelling of 1331331220003 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-one million, two hundred twenty thousand, three".