1330331001 has 4 divisors (see below), whose sum is σ = 1773774672. Its totient is φ = 886887332.

The previous prime is 1330330933. The next prime is 1330331081. The reversal of 1330331001 is 1001330331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1330331001 - 2¹⁷ = 1330199929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1330331081) 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 3 ways as a sum of consecutive naturals, for example, 221721831 + ... + 221721836.

It is an arithmetic number, because the mean of its divisors is an integer number (443443668).

Almost surely, 2^1330331001 is an apocalyptic number.

It is an amenable number.

1330331001 is a deficient number, since it is larger than the sum of its proper divisors (443443671).

1330331001 is an equidigital number, since it uses as much as digits as its factorization.

1330331001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443443670.

The product of its (nonzero) digits is 81, while the sum is 15.

The square root of 1330331001 is about 36473.7028693276. The cubic root of 1330331001 is about 1099.8156718685.

Adding to 1330331001 its reverse (1001330331), we get a palindrome (2331661332).

The spelling of 1330331001 in words is "one billion, three hundred thirty million, three hundred thirty-one thousand, one".