13303303103213 has 4 divisors (see below), whose sum is σ = 13303326319740. Its totient is φ = 13303279886688.

The previous prime is 13303303103197. The next prime is 13303303103221. The reversal of 13303303103213 is 31230130330331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6506238837289 + 6797064265924 = 2550733^2 + 2607118^2 .

It is a cyclic number.

It is not a de Polignac number, because 13303303103213 - 2⁴ = 13303303103197 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 (13303303123213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10726418 + ... + 11902211.

It is an arithmetic number, because the mean of its divisors is an integer number (3325831579935).

Almost surely, 2^{13303303103213} is an apocalyptic number.

It is an amenable number.

13303303103213 is a deficient number, since it is larger than the sum of its proper divisors (23216527).

13303303103213 is an equidigital number, since it uses as much as digits as its factorization.

13303303103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23216526.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 13303303103213 its reverse (31230130330331), we get a palindrome (44533433433544).

The spelling of 13303303103213 in words is "thirteen trillion, three hundred three billion, three hundred three million, one hundred three thousand, two hundred thirteen".