1331320323300 has 216 divisors, whose sum is σ = 4456807975200. Its totient is φ = 305757619200.

The previous prime is 1331320323287. The next prime is 1331320323331. The reversal of 1331320323300 is 33230231331.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 275445 + ... + 1654844.

Almost surely, 2^{1331320323300} is an apocalyptic number.

1331320323300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331320323300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2228403987600).

1331320323300 is an abundant number, since it is smaller than the sum of its proper divisors (3125487651900).

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

1331320323300 is a wasteful number, since it uses less digits than its factorization.

1331320323300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930347 (or 1930329 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 1331320323300 its reverse (33230231331), we get a palindrome (1364550554631).

The spelling of 1331320323300 in words is "one trillion, three hundred thirty-one billion, three hundred twenty million, three hundred twenty-three thousand, three hundred".