13103202312311 has 4 divisors (see below), whose sum is σ = 13269065632800. Its totient is φ = 12937338991824.

The previous prime is 13103202312293. The next prime is 13103202312313. The reversal of 13103202312311 is 11321320230131.

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 13103202312311 - 2³⁴ = 13086022443127 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 (13103202312313) 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, 82931660126 + ... + 82931660283.

It is an arithmetic number, because the mean of its divisors is an integer number (3317266408200).

Almost surely, 2^{13103202312311} is an apocalyptic number.

13103202312311 is a deficient number, since it is larger than the sum of its proper divisors (165863320489).

13103202312311 is an equidigital number, since it uses as much as digits as its factorization.

13103202312311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165863320488.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13103202312311 its reverse (11321320230131), we get a palindrome (24424522542442).

The spelling of 13103202312311 in words is "thirteen trillion, one hundred three billion, two hundred two million, three hundred twelve thousand, three hundred eleven".