21030002034 has 8 divisors (see below), whose sum is σ = 42060004080. Its totient is φ = 7010000676.

The previous prime is 21030002033. The next prime is 21030002041. The reversal of 21030002034 is 43020003012.

It is a sphenic number, since it is the product of 3 distinct primes.

21030002034 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (21030002033) 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, 1752500164 + ... + 1752500175.

It is an arithmetic number, because the mean of its divisors is an integer number (5257500510).

Almost surely, 2^21030002034 is an apocalyptic number.

21030002034 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21030002034 is a wasteful number, since it uses less digits than its factorization.

21030002034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3505000344.

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 21030002034 its reverse (43020003012), we get a palindrome (64050005046).

The spelling of 21030002034 in words is "twenty-one billion, thirty million, two thousand, thirty-four".