21031300300322 has 64 divisors (see below), whose sum is σ = 34619869380096. Its totient is φ = 9523618675200.

The previous prime is 21031300300271. The next prime is 21031300300333. The reversal of 21031300300322 is 22300300313012.

It is a super-5 number, since 5×21031300300322⁵ (a number of 68 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21031300300294 and 21031300300303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349890923 + ... + 349951025.

It is an arithmetic number, because the mean of its divisors is an integer number (540935459064).

Almost surely, 2^{21031300300322} is an apocalyptic number.

21031300300322 is a deficient number, since it is larger than the sum of its proper divisors (13588569079774).

21031300300322 is a wasteful number, since it uses less digits than its factorization.

21031300300322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61155.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21031300300322 its reverse (22300300313012), we get a palindrome (43331600613334).

The spelling of 21031300300322 in words is "twenty-one trillion, thirty-one billion, three hundred million, three hundred thousand, three hundred twenty-two".