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21302001303331 = 727111229310123
BaseRepresentation
bin1001101011111110000100…
…01110000111111100100011
32210102110012002121200221111
410311333002032013330203
510243002444313201311
6113150000532404151
74326006310344010
oct465770216077443
983373162550844
1021302001303331
116873145437021
122480579176657
13bb6a01bc0818
14539045520707
1526e1a9829d21
hex135fc2387f23

21302001303331 has 8 divisors (see below), whose sum is σ = 24434978829824. Its totient is φ = 18191482397640.

The previous prime is 21302001303283. The next prime is 21302001303347. The reversal of 21302001303331 is 13330310020312.

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 21302001303331 - 223 = 21301992914723 is a prime.

It is a super-2 number, since 2×213020013033312 (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 (21302001303431) 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, 5614653165 + ... + 5614656958.

It is an arithmetic number, because the mean of its divisors is an integer number (3054372353728).

Almost surely, 221302001303331 is an apocalyptic number.

21302001303331 is a deficient number, since it is larger than the sum of its proper divisors (3132977526493).

21302001303331 is a wasteful number, since it uses less digits than its factorization.

21302001303331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11229310401.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21302001303331 its reverse (13330310020312), we get a palindrome (34632311323643).

The spelling of 21302001303331 in words is "twenty-one trillion, three hundred two billion, one million, three hundred three thousand, three hundred thirty-one".

Divisors: 1 7 271 1897 11229310123 78605170861 3043143043333 21302001303331