103103134421 has 16 divisors (see below), whose sum is σ = 124794816000. Its totient is φ = 83209191408.

The previous prime is 103103134361. The next prime is 103103134439. The reversal of 103103134421 is 124431301301.

It is not a de Polignac number, because 103103134421 - 2¹⁴ = 103103118037 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 (103103134441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2356271 + ... + 2399628.

It is an arithmetic number, because the mean of its divisors is an integer number (7799676000).

Almost surely, 2^103103134421 is an apocalyptic number.

It is an amenable number.

103103134421 is a deficient number, since it is larger than the sum of its proper divisors (21691681579).

103103134421 is a wasteful number, since it uses less digits than its factorization.

103103134421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4756088.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 103103134421 its reverse (124431301301), we get a palindrome (227534435722).

The spelling of 103103134421 in words is "one hundred three billion, one hundred three million, one hundred thirty-four thousand, four hundred twenty-one".