1321330323000 has 128 divisors (see below), whose sum is σ = 4147843864320. Its totient is φ = 350192937600.

The previous prime is 1321330322903. The next prime is 1321330323029. The reversal of 1321330323000 is 3230331231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 862054 + ... + 1840053.

It is an arithmetic number, because the mean of its divisors is an integer number (32405030190).

Almost surely, 2^{1321330323000} is an apocalyptic number.

1321330323000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1321330323000 is an abundant number, since it is smaller than the sum of its proper divisors (2826513541320).

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

1321330323000 is a wasteful number, since it uses less digits than its factorization.

1321330323000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702294 (or 2702280 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 1321330323000 its reverse (3230331231), we get a palindrome (1324560654231).

The spelling of 1321330323000 in words is "one trillion, three hundred twenty-one billion, three hundred thirty million, three hundred twenty-three thousand".