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32221130331031 = 31139499149310037
BaseRepresentation
bin1110101001110000100010…
…00001110001001110010111
311020002022100222021022212121
413110320101001301032113
513210402333331043111
6152310103302400411
76533620434606025
oct724702101611627
9136068328238777
1032221130331031
11a2a29a5083534
123744807430107
1314c959390a935
147d5722399715
153ad22b31e871
hex1d4e11071397

32221130331031 has 32 divisors (see below), whose sum is σ = 33592769280000. Its totient is φ = 30871601504640.

The previous prime is 32221130331023. The next prime is 32221130331079. The reversal of 32221130331031 is 13013303112223.

It is a cyclic number.

It is not a de Polignac number, because 32221130331031 - 23 = 32221130331023 is a prime.

It is a super-2 number, since 2×322211303310312 (a number of 28 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 = 32221130330987 and 32221130331005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32221130341031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3210230145 + ... + 3210240181.

It is an arithmetic number, because the mean of its divisors is an integer number (1049774040000).

Almost surely, 232221130331031 is an apocalyptic number.

32221130331031 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

32221130331031 is a deficient number, since it is larger than the sum of its proper divisors (1371638948969).

32221130331031 is a wasteful number, since it uses less digits than its factorization.

32221130331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12199.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 32221130331031 its reverse (13013303112223), we get a palindrome (45234433443254).

The spelling of 32221130331031 in words is "thirty-two trillion, two hundred twenty-one billion, one hundred thirty million, three hundred thirty-one thousand, thirty-one".

Divisors: 1 31 139 499 1493 4309 10037 15469 46283 69361 207527 311147 745007 1395143 2150191 5008463 6433337 14985241 23095217 43249433 103555973 155262353 464542471 696176357 2082948499 3210235163 7477635259 21581467067 64571403469 231806693029 1039391301001 32221130331031