4103440310021 has 4 divisors (see below), whose sum is σ = 4419089564652. Its totient is φ = 3787791055392.

The previous prime is 4103440309999. The next prime is 4103440310023. The reversal of 4103440310021 is 1200130443014.

4103440310021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 300008152900 + 3803432157121 = 547730^2 + 1950239^2 .

It is a cyclic number.

It is not a de Polignac number, because 4103440310021 - 2¹⁸ = 4103440047877 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 (4103440310023) 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, 157824627296 + ... + 157824627321.

It is an arithmetic number, because the mean of its divisors is an integer number (1104772391163).

Almost surely, 2^{4103440310021} is an apocalyptic number.

It is an amenable number.

4103440310021 is a deficient number, since it is larger than the sum of its proper divisors (315649254631).

4103440310021 is a wasteful number, since it uses less digits than its factorization.

4103440310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315649254630.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 4103440310021 its reverse (1200130443014), we get a palindrome (5303570753035).

The spelling of 4103440310021 in words is "four trillion, one hundred three billion, four hundred forty million, three hundred ten thousand, twenty-one".