1331321100330 has 64 divisors (see below), whose sum is σ = 3441155477760. Its totient is φ = 327690525696.

The previous prime is 1331321100301. The next prime is 1331321100337. The reversal of 1331321100330 is 330011231331.

It is a super-2 number, since 2×1331321100330² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1331321100297 and 1331321100306.

It is not an unprimeable number, because it can be changed into a prime (1331321100337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7218706 + ... + 7400834.

It is an arithmetic number, because the mean of its divisors is an integer number (53768054340).

Almost surely, 2^{1331321100330} is an apocalyptic number.

1331321100330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331321100330 is an abundant number, since it is smaller than the sum of its proper divisors (2109834377430).

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

1331321100330 is a wasteful number, since it uses less digits than its factorization.

1331321100330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200895.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1331321100330 its reverse (330011231331), we get a palindrome (1661332331661).

The spelling of 1331321100330 in words is "one trillion, three hundred thirty-one billion, three hundred twenty-one million, one hundred thousand, three hundred thirty".