1331321001202 has 8 divisors (see below), whose sum is σ = 2007436902912. Its totient is φ = 662175366900.

The previous prime is 1331321001191. The next prime is 1331321001221. The reversal of 1331321001202 is 2021001231331.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1331321001202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1742566374 + ... + 1742567137.

It is an arithmetic number, because the mean of its divisors is an integer number (250929612864).

Almost surely, 2^{1331321001202} is an apocalyptic number.

1331321001202 is a deficient number, since it is larger than the sum of its proper divisors (676115901710).

1331321001202 is a wasteful number, since it uses less digits than its factorization.

1331321001202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3485133704.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1331321001202 its reverse (2021001231331), we get a palindrome (3352322232533).

The spelling of 1331321001202 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-one million, one thousand, two hundred two".