1320031222321 has 8 divisors (see below), whose sum is σ = 1509060309120. Its totient is φ = 1131115435008.

The previous prime is 1320031222313. The next prime is 1320031222331. The reversal of 1320031222321 is 1232221300231.

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 1320031222321 - 2³ = 1320031222313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1320031222292 and 1320031222301.

It is not an unprimeable number, because it can be changed into a prime (1320031222331) 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, 28299901 + ... + 28346506.

It is an arithmetic number, because the mean of its divisors is an integer number (188632538640).

Almost surely, 2^{1320031222321} is an apocalyptic number.

It is an amenable number.

1320031222321 is a deficient number, since it is larger than the sum of its proper divisors (189029086799).

1320031222321 is an equidigital number, since it uses as much as digits as its factorization.

1320031222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56649743.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1320031222321 its reverse (1232221300231), we get a palindrome (2552252522552).

The spelling of 1320031222321 in words is "one trillion, three hundred twenty billion, thirty-one million, two hundred twenty-two thousand, three hundred twenty-one".