13203201331 has 4 divisors (see below), whose sum is σ = 13203503032. Its totient is φ = 13202899632.

The previous prime is 13203201281. The next prime is 13203201337. The reversal of 13203201331 is 13310230231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13310230231 = 173 ⋅76937747.

It is a cyclic number.

It is not a de Polignac number, because 13203201331 - 2²³ = 13194812723 is a prime.

It is a super-2 number, since 2×13203201331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13203201299 and 13203201308.

It is not an unprimeable number, because it can be changed into a prime (13203201337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71181 + ... + 177406.

It is an arithmetic number, because the mean of its divisors is an integer number (3300875758).

Almost surely, 2^13203201331 is an apocalyptic number.

13203201331 is a deficient number, since it is larger than the sum of its proper divisors (301701).

13203201331 is an equidigital number, since it uses as much as digits as its factorization.

13203201331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301700.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 13203201331 its reverse (13310230231), we get a palindrome (26513431562).

The spelling of 13203201331 in words is "thirteen billion, two hundred three million, two hundred one thousand, three hundred thirty-one".