13131322001 has 4 divisors (see below), whose sum is σ = 15007225152. Its totient is φ = 11255418852.

The previous prime is 13131321967. The next prime is 13131322037. The reversal of 13131322001 is 10022313131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13131322001 - 2⁶ = 13131321937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13131322051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937951565 + ... + 937951578.

It is an arithmetic number, because the mean of its divisors is an integer number (3751806288).

Almost surely, 2^13131322001 is an apocalyptic number.

It is an amenable number.

13131322001 is a deficient number, since it is larger than the sum of its proper divisors (1875903151).

13131322001 is an equidigital number, since it uses as much as digits as its factorization.

13131322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875903150.

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

Adding to 13131322001 its reverse (10022313131), we get a palindrome (23153635132).

The spelling of 13131322001 in words is "thirteen billion, one hundred thirty-one million, three hundred twenty-two thousand, one".