1321013022330 has 32 divisors (see below), whose sum is σ = 3172380007104. Its totient is φ = 352053611136.

The previous prime is 1321013022323. The next prime is 1321013022349. The reversal of 1321013022330 is 332203101231.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1321013022297 and 1321013022306.

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, 13483387 + ... + 13581006.

It is an arithmetic number, because the mean of its divisors is an integer number (99136875222).

Almost surely, 2^{1321013022330} is an apocalyptic number.

1321013022330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321013022330 is an abundant number, since it is smaller than the sum of its proper divisors (1851366984774).

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

1321013022330 is a wasteful number, since it uses less digits than its factorization.

1321013022330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27066030.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1321013022330 its reverse (332203101231), we get a palindrome (1653216123561).

The spelling of 1321013022330 in words is "one trillion, three hundred twenty-one billion, thirteen million, twenty-two thousand, three hundred thirty".