1321310204322 has 32 divisors (see below), whose sum is σ = 2801153835072. Its totient is φ = 414071629824.

The previous prime is 1321310204317. The next prime is 1321310204371. The reversal of 1321310204322 is 2234020131231.

It is a junction number, because it is equal to n+sod(n) for n = 1321310204292 and 1321310204301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7048623 + ... + 7233650.

It is an arithmetic number, because the mean of its divisors is an integer number (87536057346).

Almost surely, 2^{1321310204322} is an apocalyptic number.

1321310204322 is an abundant number, since it is smaller than the sum of its proper divisors (1479843630750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1321310204322 is a wasteful number, since it uses less digits than its factorization.

1321310204322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14283202.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1321310204322 its reverse (2234020131231), we get a palindrome (3555330335553).

The spelling of 1321310204322 in words is "one trillion, three hundred twenty-one billion, three hundred ten million, two hundred four thousand, three hundred twenty-two".