1313221001 has 8 divisors (see below), whose sum is σ = 1320641280. Its totient is φ = 1305821968.

The previous prime is 1313220973. The next prime is 1313221027. The reversal of 1313221001 is 1001223131.

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 1313221001 - 2¹⁰ = 1313219977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1313220001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127880 + ... + 137766.

It is an arithmetic number, because the mean of its divisors is an integer number (165080160).

Almost surely, 2^1313221001 is an apocalyptic number.

It is an amenable number.

1313221001 is a deficient number, since it is larger than the sum of its proper divisors (7420279).

1313221001 is an equidigital number, since it uses as much as digits as its factorization.

1313221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10623.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1313221001 is about 36238.3912584430. The cubic root of 1313221001 is about 1095.0802332041.

Adding to 1313221001 its reverse (1001223131), we get a palindrome (2314444132).

The spelling of 1313221001 in words is "one billion, three hundred thirteen million, two hundred twenty-one thousand, one".