21302130130030 has 16 divisors (see below), whose sum is σ = 38344514034960. Its totient is φ = 8520700985152.

The previous prime is 21302130130027. The next prime is 21302130130051. The reversal of 21302130130030 is 3003103120312.

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, 18290224 + ... + 19420003.

It is an arithmetic number, because the mean of its divisors is an integer number (2396532127185).

Almost surely, 2^{21302130130030} is an apocalyptic number.

21302130130030 is a deficient number, since it is larger than the sum of its proper divisors (17042383904930).

21302130130030 is a wasteful number, since it uses less digits than its factorization.

21302130130030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37766723.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 21302130130030 its reverse (3003103120312), we get a palindrome (24305233250342).

The spelling of 21302130130030 in words is "twenty-one trillion, three hundred two billion, one hundred thirty million, one hundred thirty thousand, thirty".