21410313103 has 4 divisors (see below), whose sum is σ = 21552103408. Its totient is φ = 21268522800.

The previous prime is 21410313049. The next prime is 21410313139. The reversal of 21410313103 is 30131301412.

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

It is a cyclic number.

It is not a de Polignac number, because 21410313103 - 2¹³ = 21410304911 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 (21410313143) 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, 70894926 + ... + 70895227.

It is an arithmetic number, because the mean of its divisors is an integer number (5388025852).

Almost surely, 2^21410313103 is an apocalyptic number.

21410313103 is a deficient number, since it is larger than the sum of its proper divisors (141790305).

21410313103 is a wasteful number, since it uses less digits than its factorization.

21410313103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141790304.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21410313103 its reverse (30131301412), we get a palindrome (51541614515).

The spelling of 21410313103 in words is "twenty-one billion, four hundred ten million, three hundred thirteen thousand, one hundred three".