103203200321 has 4 divisors (see below), whose sum is σ = 111141908052. Its totient is φ = 95264492592.

The previous prime is 103203200273. The next prime is 103203200333. The reversal of 103203200321 is 123002302301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20741760400 + 82461439921 = 144020^2 + 287161^2 .

It is a cyclic number.

It is not a de Polignac number, because 103203200321 - 2⁶ = 103203200257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103203200321.

It is not an unprimeable number, because it can be changed into a prime (103203200351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3969353846 + ... + 3969353871.

It is an arithmetic number, because the mean of its divisors is an integer number (27785477013).

Almost surely, 2^103203200321 is an apocalyptic number.

It is an amenable number.

103203200321 is a deficient number, since it is larger than the sum of its proper divisors (7938707731).

103203200321 is an equidigital number, since it uses as much as digits as its factorization.

103203200321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7938707730.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 103203200321 its reverse (123002302301), we get a palindrome (226205502622).

The spelling of 103203200321 in words is "one hundred three billion, two hundred three million, two hundred thousand, three hundred twenty-one".