21034404310 has 16 divisors (see below), whose sum is σ = 37974283776. Its totient is φ = 8388793728.

The previous prime is 21034404257. The next prime is 21034404319. The reversal of 21034404310 is 1340443012.

21034404310 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×21034404310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21034404319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3117462 + ... + 3124201.

It is an arithmetic number, because the mean of its divisors is an integer number (2373392736).

Almost surely, 2^21034404310 is an apocalyptic number.

21034404310 is a deficient number, since it is larger than the sum of its proper divisors (16939879466).

21034404310 is a wasteful number, since it uses less digits than its factorization.

21034404310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242007.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 21034404310 its reverse (1340443012), we get a palindrome (22374847322).

The spelling of 21034404310 in words is "twenty-one billion, thirty-four million, four hundred four thousand, three hundred ten".