102302020321 has 16 divisors (see below), whose sum is σ = 112774147200. Its totient is φ = 92369109888.

The previous prime is 102302020297. The next prime is 102302020339. The reversal of 102302020321 is 123020203201.

It is not a de Polignac number, because 102302020321 - 2²⁵ = 102268465889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102302020295 and 102302020304.

It is not an unprimeable number, because it can be changed into a prime (102302060321) 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, 301516 + ... + 543613.

It is an arithmetic number, because the mean of its divisors is an integer number (7048384200).

Almost surely, 2^102302020321 is an apocalyptic number.

It is an amenable number.

102302020321 is a deficient number, since it is larger than the sum of its proper divisors (10472126879).

102302020321 is a wasteful number, since it uses less digits than its factorization.

102302020321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845448.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 102302020321 its reverse (123020203201), we get a palindrome (225322223522).

The spelling of 102302020321 in words is "one hundred two billion, three hundred two million, twenty thousand, three hundred twenty-one".