13012321103 has 2 divisors, whose sum is σ = 13012321104. Its totient is φ = 13012321102.

The previous prime is 13012321081. The next prime is 13012321187. The reversal of 13012321103 is 30112321031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13012321103 - 2⁸ = 13012320847 is a prime.

It is a Sophie Germain prime.

It is a zygodrome in base 6.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13012321603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506160551 + 6506160552.

It is an arithmetic number, because the mean of its divisors is an integer number (6506160552).

Almost surely, 2^13012321103 is an apocalyptic number.

13012321103 is a deficient number, since it is larger than the sum of its proper divisors (1).

13012321103 is an equidigital number, since it uses as much as digits as its factorization.

13012321103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13012321103 its reverse (30112321031), we get a palindrome (43124642134).

The spelling of 13012321103 in words is "thirteen billion, twelve million, three hundred twenty-one thousand, one hundred three".