1320311515353 has 8 divisors (see below), whose sum is σ = 1763354280000. Its totient is φ = 878738213808.

The previous prime is 1320311515349. The next prime is 1320311515361. The reversal of 1320311515353 is 3535151130231.

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

It is not a de Polignac number, because 1320311515353 - 2² = 1320311515349 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1320311515363) 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, 367363678 + ... + 367367271.

It is an arithmetic number, because the mean of its divisors is an integer number (220419285000).

Almost surely, 2^{1320311515353} is an apocalyptic number.

It is an amenable number.

1320311515353 is a deficient number, since it is larger than the sum of its proper divisors (443042764647).

1320311515353 is an equidigital number, since it uses as much as digits as its factorization.

1320311515353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734731551.

The product of its (nonzero) digits is 20250, while the sum is 33.

Adding to 1320311515353 its reverse (3535151130231), we get a palindrome (4855462645584).

The spelling of 1320311515353 in words is "one trillion, three hundred twenty billion, three hundred eleven million, five hundred fifteen thousand, three hundred fifty-three".