21010000310 has 64 divisors (see below), whose sum is σ = 42905721600. Its totient is φ = 7343229312.

The previous prime is 21010000261. The next prime is 21010000327. The reversal of 21010000310 is 1300001012.

It is a super-2 number, since 2×21010000310² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3897437 + ... + 3902823.

It is an arithmetic number, because the mean of its divisors is an integer number (670401900).

Almost surely, 2^21010000310 is an apocalyptic number.

21010000310 is an abundant number, since it is smaller than the sum of its proper divisors (21895721290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21010000310 is a wasteful number, since it uses less digits than its factorization.

21010000310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7005.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 21010000310 its reverse (1300001012), we get a palindrome (22310001322).

The spelling of 21010000310 in words is "twenty-one billion, ten million, three hundred ten", and thus it is an aban number.