103451105321 has 4 divisors (see below), whose sum is σ = 103454626500. Its totient is φ = 103447584144.

The previous prime is 103451105273. The next prime is 103451105327. The reversal of 103451105321 is 123501154301.

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

It can be written as a sum of positive squares in 2 ways, for example, as 65167878400 + 38283226921 = 255280^2 + 195661^2 .

It is a cyclic number.

It is not a de Polignac number, because 103451105321 - 2⁶ = 103451105257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103451105327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1716146 + ... + 1775403.

It is an arithmetic number, because the mean of its divisors is an integer number (25863656625).

Almost surely, 2^103451105321 is an apocalyptic number.

It is an amenable number.

103451105321 is a deficient number, since it is larger than the sum of its proper divisors (3521179).

103451105321 is an equidigital number, since it uses as much as digits as its factorization.

103451105321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3521178.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 103451105321 its reverse (123501154301), we get a palindrome (226952259622).

The spelling of 103451105321 in words is "one hundred three billion, four hundred fifty-one million, one hundred five thousand, three hundred twenty-one".