1320310101321 has 32 divisors (see below), whose sum is σ = 1960698579840. Its totient is φ = 878101560000.

The previous prime is 1320310101317. The next prime is 1320310101329. The reversal of 1320310101321 is 1231010130231.

1320310101321 is a `hidden beast` number, since 1 + 3 + 20 + 310 + 10 + 1 + 321 = 666.

It is not a de Polignac number, because 1320310101321 - 2² = 1320310101317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320310101294 and 1320310101303.

It is not an unprimeable number, because it can be changed into a prime (1320310101329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19859091 + ... + 19925463.

It is an arithmetic number, because the mean of its divisors is an integer number (61271830620).

Almost surely, 2^{1320310101321} is an apocalyptic number.

It is an amenable number.

1320310101321 is a deficient number, since it is larger than the sum of its proper divisors (640388478519).

1320310101321 is a wasteful number, since it uses less digits than its factorization.

1320310101321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68134 (or 68128 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1320310101321 its reverse (1231010130231), we get a palindrome (2551320231552).

The spelling of 1320310101321 in words is "one trillion, three hundred twenty billion, three hundred ten million, one hundred one thousand, three hundred twenty-one".