13203312031103 has 4 divisors (see below), whose sum is σ = 13203517911408. Its totient is φ = 13203106150800.

The previous prime is 13203312031099. The next prime is 13203312031171. The reversal of 13203312031103 is 30113021330231.

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

It is a cyclic number.

It is not a de Polignac number, because 13203312031103 - 2² = 13203312031099 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 (13203312031193) 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, 102843926 + ... + 102972227.

It is an arithmetic number, because the mean of its divisors is an integer number (3300879477852).

Almost surely, 2^{13203312031103} is an apocalyptic number.

13203312031103 is a deficient number, since it is larger than the sum of its proper divisors (205880305).

13203312031103 is an equidigital number, since it uses as much as digits as its factorization.

13203312031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205880304.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 13203312031103 its reverse (30113021330231), we get a palindrome (43316333361334).

The spelling of 13203312031103 in words is "thirteen trillion, two hundred three billion, three hundred twelve million, thirty-one thousand, one hundred three".