1331022231330 has 96 divisors (see below), whose sum is σ = 3550711852800. Its totient is φ = 319046449920.

The previous prime is 1331022231271. The next prime is 1331022231347. The reversal of 1331022231330 is 331322201331.

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 1331022231330.

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 47 ways as a sum of consecutive naturals, for example, 1736890 + ... + 2383029.

It is an arithmetic number, because the mean of its divisors is an integer number (36986581800).

Almost surely, 2^{1331022231330} is an apocalyptic number.

1331022231330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331022231330 is an abundant number, since it is smaller than the sum of its proper divisors (2219689621470).

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

1331022231330 is a wasteful number, since it uses less digits than its factorization.

1331022231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4120040 (or 4120029 counting only the distinct ones).

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

Adding to 1331022231330 its reverse (331322201331), we get a palindrome (1662344432661).

Subtracting from 1331022231330 its reverse (331322201331), we obtain a cube (999700029999 = 9999³).

The spelling of 1331022231330 in words is "one trillion, three hundred thirty-one billion, twenty-two million, two hundred thirty-one thousand, three hundred thirty".