1313321001 has 8 divisors (see below), whose sum is σ = 1752080640. Its totient is φ = 875054352.

The previous prime is 1313320991. The next prime is 1313321003. The reversal of 1313321001 is 1001233131.

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

It is not a de Polignac number, because 1313321001 - 2⁵ = 1313320969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1313321003) 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, 116985 + ... + 127718.

It is an arithmetic number, because the mean of its divisors is an integer number (219010080).

Almost surely, 2^1313321001 is an apocalyptic number.

It is an amenable number.

1313321001 is a deficient number, since it is larger than the sum of its proper divisors (438759639).

1313321001 is a wasteful number, since it uses less digits than its factorization.

1313321001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246495.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1313321001 is about 36239.7709843757. The cubic root of 1313321001 is about 1095.1080287906.

Adding to 1313321001 its reverse (1001233131), we get a palindrome (2314554132).

The spelling of 1313321001 in words is "one billion, three hundred thirteen million, three hundred twenty-one thousand, one".