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21200330322131 = 173011414174113
BaseRepresentation
bin1001101001000000101100…
…01010000111000011010011
32210001201202110201201102012
410310200112022013003103
510234321234030302011
6113031144114413135
74315446643304132
oct464402612070323
983051673651365
1021200330322131
116834011859024
1224649238911ab
13baa24b15500c
1453415c5ad919
1526b708a6ea8b
hex1348162870d3

21200330322131 has 8 divisors (see below), whose sum is σ = 22454863764624. Its totient is φ = 19946625233920.

The previous prime is 21200330322113. The next prime is 21200330322137. The reversal of 21200330322131 is 13122303300212.

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 21200330322131 - 238 = 20925452415187 is a prime.

It is a super-2 number, since 2×212003303221312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21200330322097 and 21200330322106.

It is not an unprimeable number, because it can be changed into a prime (21200330322137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207035870 + ... + 207138243.

It is an arithmetic number, because the mean of its divisors is an integer number (2806857970578).

Almost surely, 221200330322131 is an apocalyptic number.

21200330322131 is a deficient number, since it is larger than the sum of its proper divisors (1254533442493).

21200330322131 is a wasteful number, since it uses less digits than its factorization.

21200330322131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414177141.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21200330322131 its reverse (13122303300212), we get a palindrome (34322633622343).

The spelling of 21200330322131 in words is "twenty-one trillion, two hundred billion, three hundred thirty million, three hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 17 3011 51187 414174113 7040959921 1247078254243 21200330322131