1331302221330 has 16 divisors (see below), whose sum is σ = 3195125331264. Its totient is φ = 355013925680.

The previous prime is 1331302221257. The next prime is 1331302221377. The reversal of 1331302221330 is 331222031331.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331302221330.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22188370326 + ... + 22188370385.

It is an arithmetic number, because the mean of its divisors is an integer number (199695333204).

Almost surely, 2^{1331302221330} is an apocalyptic number.

1331302221330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331302221330 is an abundant number, since it is smaller than the sum of its proper divisors (1863823109934).

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

1331302221330 is a wasteful number, since it uses less digits than its factorization.

1331302221330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44376740721.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 1331302221330 its reverse (331222031331), we get a palindrome (1662524252661).

The spelling of 1331302221330 in words is "one trillion, three hundred thirty-one billion, three hundred two million, two hundred twenty-one thousand, three hundred thirty".