13203121301 has 4 divisors (see below), whose sum is σ = 13233613932. Its totient is φ = 13172628672.

The previous prime is 13203121297. The next prime is 13203121307. The reversal of 13203121301 is 10312130231.

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 3439705201 + 9763416100 = 58649^2 + 98810^2 .

It is a cyclic number.

It is not a de Polignac number, because 13203121301 - 2² = 13203121297 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 13203121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13203121307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15245666 + ... + 15246531.

It is an arithmetic number, because the mean of its divisors is an integer number (3308403483).

Almost surely, 2^13203121301 is an apocalyptic number.

It is an amenable number.

13203121301 is a deficient number, since it is larger than the sum of its proper divisors (30492631).

13203121301 is an equidigital number, since it uses as much as digits as its factorization.

13203121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30492630.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13203121301 its reverse (10312130231), we get a palindrome (23515251532).

The spelling of 13203121301 in words is "thirteen billion, two hundred three million, one hundred twenty-one thousand, three hundred one".