103031110321 has 4 divisors (see below), whose sum is σ = 103269057892. Its totient is φ = 102793162752.

The previous prime is 103031110307. The next prime is 103031110331. The reversal of 103031110321 is 123011130301.

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 2985420321 + 100045690000 = 54639^2 + 316300^2 .

It is a cyclic number.

It is not a de Polignac number, because 103031110321 - 2¹⁹ = 103030586033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103031110295 and 103031110304.

It is not an unprimeable number, because it can be changed into a prime (103031110331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118973136 + ... + 118974001.

It is an arithmetic number, because the mean of its divisors is an integer number (25817264473).

Almost surely, 2^103031110321 is an apocalyptic number.

It is an amenable number.

103031110321 is a deficient number, since it is larger than the sum of its proper divisors (237947571).

103031110321 is an equidigital number, since it uses as much as digits as its factorization.

103031110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237947570.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 103031110321 its reverse (123011130301), we get a palindrome (226042240622).

The spelling of 103031110321 in words is "one hundred three billion, thirty-one million, one hundred ten thousand, three hundred twenty-one".