13231220301 has 24 divisors (see below), whose sum is σ = 20794100600. Its totient is φ = 8058341376.

The previous prime is 13231220287. The next prime is 13231220341. The reversal of 13231220301 is 10302213231.

13231220301 is a `hidden beast` number, since 1 + 32 + 312 + 20 + 301 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 91183401 + 13140036900 = 9549^2 + 114630^2 .

It is not a de Polignac number, because 13231220301 - 2⁶ = 13231220237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231220341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 571576 + ... + 594273.

Almost surely, 2^13231220301 is an apocalyptic number.

It is an amenable number.

13231220301 is a deficient number, since it is larger than the sum of its proper divisors (7562880299).

13231220301 is a wasteful number, since it uses less digits than its factorization.

13231220301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165965 (or 1165962 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 13231220301 its reverse (10302213231), we get a palindrome (23533433532).

The spelling of 13231220301 in words is "thirteen billion, two hundred thirty-one million, two hundred twenty thousand, three hundred one".