13213124103 has 4 divisors (see below), whose sum is σ = 17617498808. Its totient is φ = 8808749400.

The previous prime is 13213124059. The next prime is 13213124117. The reversal of 13213124103 is 30142131231.

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

It is not a de Polignac number, because 13213124103 - 2¹² = 13213120007 is a prime.

It is a super-2 number, since 2×13213124103² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13213124103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213124123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202187348 + ... + 2202187353.

It is an arithmetic number, because the mean of its divisors is an integer number (4404374702).

Almost surely, 2^13213124103 is an apocalyptic number.

13213124103 is a deficient number, since it is larger than the sum of its proper divisors (4404374705).

13213124103 is an equidigital number, since it uses as much as digits as its factorization.

13213124103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404374704.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13213124103 its reverse (30142131231), we get a palindrome (43355255334).

The spelling of 13213124103 in words is "thirteen billion, two hundred thirteen million, one hundred twenty-four thousand, one hundred three".