103100323021 has 4 divisors (see below), whose sum is σ = 103101221500. Its totient is φ = 103099424544.

The previous prime is 103100323019. The next prime is 103100323031. The reversal of 103100323021 is 120323001301.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 30003089796 + 73097233225 = 173214^2 + 270365^2 .

It is a cyclic number.

It is not a de Polignac number, because 103100323021 - 2¹ = 103100323019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103100322986 and 103100323004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103100323031) 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, 246666 + ... + 516763.

It is an arithmetic number, because the mean of its divisors is an integer number (25775305375).

Almost surely, 2^103100323021 is an apocalyptic number.

It is an amenable number.

103100323021 is a deficient number, since it is larger than the sum of its proper divisors (898479).

103100323021 is an equidigital number, since it uses as much as digits as its factorization.

103100323021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898478.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 103100323021 its reverse (120323001301), we get a palindrome (223423324322).

The spelling of 103100323021 in words is "one hundred three billion, one hundred million, three hundred twenty-three thousand, twenty-one".