1321310201330 has 64 divisors (see below), whose sum is σ = 2878867049472. Its totient is φ = 426245913600.

The previous prime is 1321310201311. The next prime is 1321310201357. The reversal of 1321310201330 is 331020131231.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3891380 + ... + 4217280.

It is an arithmetic number, because the mean of its divisors is an integer number (44982297648).

Almost surely, 2^{1321310201330} is an apocalyptic number.

1321310201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321310201330 is an abundant number, since it is smaller than the sum of its proper divisors (1557556848142).

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

1321310201330 is a wasteful number, since it uses less digits than its factorization.

1321310201330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329339.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1321310201330 its reverse (331020131231), we get a palindrome (1652330332561).

The spelling of 1321310201330 in words is "one trillion, three hundred twenty-one billion, three hundred ten million, two hundred one thousand, three hundred thirty".