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21330030311131 = 113393134801499
BaseRepresentation
bin1001101100110010010001…
…11000010011011011011011
32210112010112111010211022111
410312121020320103123123
510243432400224424011
6113210514115333151
74331021015104633
oct466311070233333
983463474124274
1021330030311131
116884019046483
122485a9bbb11b7
13bb954ab26a39
1453a543ca16c3
1526ec9a3c1121
hex136648e136db

21330030311131 has 8 divisors (see below), whose sum is σ = 21519343494000. Its totient is φ = 21140726810112.

The previous prime is 21330030311101. The next prime is 21330030311153. The reversal of 21330030311131 is 13111303003312.

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

It is a cyclic number.

It is not a de Polignac number, because 21330030311131 - 211 = 21330030309083 is a prime.

It is a super-2 number, since 2×213300303111312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21330030311101) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2041620 + ... + 6843118.

It is an arithmetic number, because the mean of its divisors is an integer number (2689917936750).

Almost surely, 221330030311131 is an apocalyptic number.

21330030311131 is a deficient number, since it is larger than the sum of its proper divisors (189313182869).

21330030311131 is a wasteful number, since it uses less digits than its factorization.

21330030311131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4840925.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 21330030311131 its reverse (13111303003312), we get a palindrome (34441333314443).

The spelling of 21330030311131 in words is "twenty-one trillion, three hundred thirty billion, thirty million, three hundred eleven thousand, one hundred thirty-one".

Divisors: 1 113 39313 4442369 4801499 542569387 188761330187 21330030311131