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31200322113321 = 367049155112043
BaseRepresentation
bin1110001100000011001000…
…00111011100111100101001
311002110201111002111220212120
413012001210013130330221
513042141224430111241
6150205121411501453
76400102032122154
oct706014407347451
9132421432456776
1031200322113321
119a39a894956a9
1235ba9b88b7889
13145424069804a
1479c1645a2c9b
153918d2de0666
hex1c60641dcf29

31200322113321 has 8 divisors (see below), whose sum is σ = 41601050200800. Its totient is φ = 20799904384032.

The previous prime is 31200322113283. The next prime is 31200322113343. The reversal of 31200322113321 is 12331122300213.

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

It is not a de Polignac number, because 31200322113321 - 221 = 31200320016169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31200322113291 and 31200322113300.

It is not an unprimeable number, because it can be changed into a prime (31200322113221) 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, 77354875 + ... + 77757168.

It is an arithmetic number, because the mean of its divisors is an integer number (5200131275100).

Almost surely, 231200322113321 is an apocalyptic number.

It is an amenable number.

31200322113321 is a deficient number, since it is larger than the sum of its proper divisors (10400728087479).

31200322113321 is a wasteful number, since it uses less digits than its factorization.

31200322113321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155179095.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31200322113321 its reverse (12331122300213), we get a palindrome (43531444413534).

The spelling of 31200322113321 in words is "thirty-one trillion, two hundred billion, three hundred twenty-two million, one hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 3 67049 201147 155112043 465336129 10400107371107 31200322113321