13203154203313 has 4 divisors (see below), whose sum is σ = 13203800455168. Its totient is φ = 13202507951460.

The previous prime is 13203154203247. The next prime is 13203154203431. The reversal of 13203154203313 is 31330245130231.

It is a happy number.

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 13203154203313 - 2²⁵ = 13203120648881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13203154204313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323095281 + ... + 323136142.

It is an arithmetic number, because the mean of its divisors is an integer number (3300950113792).

Almost surely, 2^{13203154203313} is an apocalyptic number.

It is an amenable number.

13203154203313 is a deficient number, since it is larger than the sum of its proper divisors (646251855).

13203154203313 is an equidigital number, since it uses as much as digits as its factorization.

13203154203313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646251854.

The product of its (nonzero) digits is 19440, while the sum is 31.

Adding to 13203154203313 its reverse (31330245130231), we get a palindrome (44533399333544).

The spelling of 13203154203313 in words is "thirteen trillion, two hundred three billion, one hundred fifty-four million, two hundred three thousand, three hundred thirteen".