13103421420 has 24 divisors (see below), whose sum is σ = 36689580144. Its totient is φ = 3494245696.

The previous prime is 13103421391. The next prime is 13103421427. The reversal of 13103421420 is 2412430131.

13103421420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13103421420² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13103421427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109195119 + ... + 109195238.

It is an arithmetic number, because the mean of its divisors is an integer number (1528732506).

Almost surely, 2^13103421420 is an apocalyptic number.

13103421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103421420 is an abundant number, since it is smaller than the sum of its proper divisors (23586158724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13103421420 is a wasteful number, since it uses less digits than its factorization.

13103421420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218390369 (or 218390367 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 13103421420 its reverse (2412430131), we get a palindrome (15515851551).

The spelling of 13103421420 in words is "thirteen billion, one hundred three million, four hundred twenty-one thousand, four hundred twenty".