21304103710 has 16 divisors (see below), whose sum is σ = 38548161792. Its totient is φ = 8477024800.

The previous prime is 21304103669. The next prime is 21304103747. The reversal of 21304103710 is 1730140312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5575081 + ... + 5578900.

It is an arithmetic number, because the mean of its divisors is an integer number (2409260112).

Almost surely, 2^21304103710 is an apocalyptic number.

21304103710 is a deficient number, since it is larger than the sum of its proper divisors (17244058082).

21304103710 is a wasteful number, since it uses less digits than its factorization.

21304103710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11154179.

The product of its (nonzero) digits is 504, while the sum is 22.

The spelling of 21304103710 in words is "twenty-one billion, three hundred four million, one hundred three thousand, seven hundred ten".