13020321301 has 16 divisors (see below), whose sum is σ = 14982937200. Its totient is φ = 11207973888.

The previous prime is 13020321287. The next prime is 13020321319. The reversal of 13020321301 is 10312302031.

It can be written as a sum of positive squares in 8 ways, for example, as 991935025 + 12028386276 = 31495^2 + 109674^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020321301 - 2⁵ = 13020321269 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 (13020321901) 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, 246166 + ... + 294343.

It is an arithmetic number, because the mean of its divisors is an integer number (936433575).

Almost surely, 2^13020321301 is an apocalyptic number.

It is an amenable number.

13020321301 is a deficient number, since it is larger than the sum of its proper divisors (1962615899).

13020321301 is a wasteful number, since it uses less digits than its factorization.

13020321301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540648.

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

Adding to 13020321301 its reverse (10312302031), we get a palindrome (23332623332).

The spelling of 13020321301 in words is "thirteen billion, twenty million, three hundred twenty-one thousand, three hundred one".