1320313321501 has 8 divisors (see below), whose sum is σ = 1374220766880. Its totient is φ = 1266964502832.

The previous prime is 1320313321463. The next prime is 1320313321513. The reversal of 1320313321501 is 1051233130231.

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 1320313321501 - 2⁷ = 1320313321373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320313301501) 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, 139651855 + ... + 139661308.

It is an arithmetic number, because the mean of its divisors is an integer number (171777595860).

Almost surely, 2^{1320313321501} is an apocalyptic number.

It is an amenable number.

1320313321501 is a deficient number, since it is larger than the sum of its proper divisors (53907445379).

1320313321501 is a wasteful number, since it uses less digits than its factorization.

1320313321501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279313355.

The product of its (nonzero) digits is 1620, while the sum is 25.

Adding to 1320313321501 its reverse (1051233130231), we get a palindrome (2371546451732).

The spelling of 1320313321501 in words is "one trillion, three hundred twenty billion, three hundred thirteen million, three hundred twenty-one thousand, five hundred one".