321030012103 has 16 divisors (see below), whose sum is σ = 341415648000. Its totient is φ = 300813962112.

The previous prime is 321030012097. The next prime is 321030012139. The reversal of 321030012103 is 301210030123.

It is a cyclic number.

It is not a de Polignac number, because 321030012103 - 2³³ = 312440077511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321030012203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3735268 + ... + 3820246.

It is an arithmetic number, because the mean of its divisors is an integer number (21338478000).

Almost surely, 2^321030012103 is an apocalyptic number.

321030012103 is a deficient number, since it is larger than the sum of its proper divisors (20385635897).

321030012103 is a wasteful number, since it uses less digits than its factorization.

321030012103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85974.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 321030012103 its reverse (301210030123), we get a palindrome (622240042226).

The spelling of 321030012103 in words is "three hundred twenty-one billion, thirty million, twelve thousand, one hundred three".