103003421556 has 36 divisors (see below), whose sum is σ = 279580717248. Its totient is φ = 29429548848.

The previous prime is 103003421531. The next prime is 103003421561. The reversal of 103003421556 is 655124300301.

103003421556 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×103003421556² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87587356 + ... + 87588531.

Almost surely, 2^103003421556 is an apocalyptic number.

It is an amenable number.

103003421556 is an abundant number, since it is smaller than the sum of its proper divisors (176577295692).

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

103003421556 is a wasteful number, since it uses less digits than its factorization.

103003421556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175175908 (or 175175899 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 103003421556 its reverse (655124300301), we get a palindrome (758127721857).

The spelling of 103003421556 in words is "one hundred three billion, three million, four hundred twenty-one thousand, five hundred fifty-six".