13021303103311 has 4 divisors (see below), whose sum is σ = 13088770995232. Its totient is φ = 12953835211392.

The previous prime is 13021303103257. The next prime is 13021303103317. The reversal of 13021303103311 is 11330130312031.

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 13021303103311 - 2²¹ = 13021301006159 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 (13021303103317) 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, 33733945671 + ... + 33733946056.

It is an arithmetic number, because the mean of its divisors is an integer number (3272192748808).

Almost surely, 2^{13021303103311} is an apocalyptic number.

13021303103311 is a deficient number, since it is larger than the sum of its proper divisors (67467891921).

13021303103311 is an equidigital number, since it uses as much as digits as its factorization.

13021303103311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67467891920.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 13021303103311 its reverse (11330130312031), we get a palindrome (24351433415342).

The spelling of 13021303103311 in words is "thirteen trillion, twenty-one billion, three hundred three million, one hundred three thousand, three hundred eleven".