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131313022230220 = 22559111282222229
BaseRepresentation
bin11101110110110110110010…
…000010110101111011001100
3122012221101212021222120120221
4131312312302002311323030
5114202413032142331340
61143140211501121124
736442024050416005
oct3566666202657314
9565841767876527
10131313022230220
11389275a37a8756
12128894155591a4
1358369c353589c
14245d82701c1ac
15102ab4686244a
hex776db20b5ecc

131313022230220 has 24 divisors (see below), whose sum is σ = 280431200019600. Its totient is φ = 51634951113792.

The previous prime is 131313022230157. The next prime is 131313022230239. The reversal of 131313022230220 is 22032220313131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55641109935 + ... + 55641112294.

It is an arithmetic number, because the mean of its divisors is an integer number (11684633334150).

Almost surely, 2131313022230220 is an apocalyptic number.

131313022230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131313022230220 is an abundant number, since it is smaller than the sum of its proper divisors (149118177789380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131313022230220 is a wasteful number, since it uses less digits than its factorization.

131313022230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111282222297 (or 111282222295 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 131313022230220 its reverse (22032220313131), we get a palindrome (153345242543351).

The spelling of 131313022230220 in words is "one hundred thirty-one trillion, three hundred thirteen billion, twenty-two million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 111282222229 222564444458 445128888916 556411111145 1112822222290 2225644444580 6565651111511 13131302223022 26262604446044 32828255557555 65656511115110 131313022230220