103105421405013 has 32 divisors (see below), whose sum is σ = 140875936819200. Its totient is φ = 67040597788416.

The previous prime is 103105421405009. The next prime is 103105421405017. The reversal of 103105421405013 is 310504124501301.

It is an interprime number because it is at equal distance from previous prime (103105421405009) and next prime (103105421405017).

It is not a de Polignac number, because 103105421405013 - 2² = 103105421405009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103105421405017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1968799293 + ... + 1968851661.

It is an arithmetic number, because the mean of its divisors is an integer number (4402373025600).

Almost surely, 2^{103105421405013} is an apocalyptic number.

It is an amenable number.

103105421405013 is a deficient number, since it is larger than the sum of its proper divisors (37770515414187).

103105421405013 is a wasteful number, since it uses less digits than its factorization.

103105421405013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74361.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 103105421405013 its reverse (310504124501301), we get a palindrome (413609545906314).

The spelling of 103105421405013 in words is "one hundred three trillion, one hundred five billion, four hundred twenty-one million, four hundred five thousand, thirteen".