21330030032310 has 32 divisors (see below), whose sum is σ = 51767263905120. Its totient is φ = 5624097805568.

The previous prime is 21330030032299. The next prime is 21330030032317. The reversal of 21330030032310 is 1323003003312.

It is a super-2 number, since 2×21330030032310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21330030032317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3994384977 + ... + 3994390316.

It is an arithmetic number, because the mean of its divisors is an integer number (1617726997035).

Almost surely, 2^{21330030032310} is an apocalyptic number.

21330030032310 is an abundant number, since it is smaller than the sum of its proper divisors (30437233872810).

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

21330030032310 is a wasteful number, since it uses less digits than its factorization.

21330030032310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7988775392.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 21330030032310 its reverse (1323003003312), we get a palindrome (22653033035622).

The spelling of 21330030032310 in words is "twenty-one trillion, three hundred thirty billion, thirty million, thirty-two thousand, three hundred ten".