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131113230001212 = 22323475047934787
BaseRepresentation
bin11101110011111100101101…
…011111111110010000111100
3122012020022011102122202022110
4131303330231133332100330
5114141124343340014322
61142504330352214020
736421422031453224
oct3563745537762074
9565208142582273
10131113230001212
113885a899247a18
121285675753a310
135820c03291b34
142453cb2783084
15102585177ec0c
hex773f2d7fe43c

131113230001212 has 24 divisors (see below), whose sum is σ = 319232212177536. Its totient is φ = 41804218261168.

The previous prime is 131113230001211. The next prime is 131113230001213. The reversal of 131113230001212 is 212100032311131.

It is an interprime number because it is at equal distance from previous prime (131113230001211) and next prime (131113230001213).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131113230001211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237523967118 + ... + 237523967669.

It is an arithmetic number, because the mean of its divisors is an integer number (13301342174064).

Almost surely, 2131113230001212 is an apocalyptic number.

131113230001212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131113230001212 is an abundant number, since it is smaller than the sum of its proper divisors (188118982176324).

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

131113230001212 is a wasteful number, since it uses less digits than its factorization.

131113230001212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475047934817 (or 475047934815 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 131113230001212 its reverse (212100032311131), we get a palindrome (343213262312343).

The spelling of 131113230001212 in words is "one hundred thirty-one trillion, one hundred thirteen billion, two hundred thirty million, one thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 475047934787 950095869574 1425143804361 1900191739148 2850287608722 5700575217444 10926102500101 21852205000202 32778307500303 43704410000404 65556615000606 131113230001212