1331332001 has 8 divisors (see below), whose sum is σ = 1335360000. Its totient is φ = 1327311360.

The previous prime is 1331331997. The next prime is 1331332031. The reversal of 1331332001 is 1002331331.

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 1331332001 - 2² = 1331331997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331332031) 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, 665000 + ... + 666998.

It is an arithmetic number, because the mean of its divisors is an integer number (166920000).

Almost surely, 2^1331332001 is an apocalyptic number.

It is an amenable number.

1331332001 is a deficient number, since it is larger than the sum of its proper divisors (4027999).

1331332001 is a wasteful number, since it uses less digits than its factorization.

1331332001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331332001 is about 36487.4225042000. The cubic root of 1331332001 is about 1100.0914527271.

Adding to 1331332001 its reverse (1002331331), we get a palindrome (2333663332).

The spelling of 1331332001 in words is "one billion, three hundred thirty-one million, three hundred thirty-two thousand, one".