321103130000 has 50 divisors (see below), whose sum is σ = 777422812254. Its totient is φ = 128441248000.

The previous prime is 321103129951. The next prime is 321103130009. The reversal of 321103130000 is 31301123.

It can be written as a sum of positive squares in 5 ways, for example, as 94972446976 + 226130683024 = 308176^2 + 475532^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is not an unprimeable number, because it can be changed into a prime (321103130009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16045157 + ... + 16065156.

Almost surely, 2^321103130000 is an apocalyptic number.

It is an amenable number.

321103130000 is an abundant number, since it is smaller than the sum of its proper divisors (456319682254).

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

321103130000 is an equidigital number, since it uses as much as digits as its factorization.

321103130000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32110341 (or 32110320 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 321103130000 its reverse (31301123), we get a palindrome (321134431123).

The spelling of 321103130000 in words is "three hundred twenty-one billion, one hundred three million, one hundred thirty thousand".