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131003223232 = 267241773987
BaseRepresentation
bin111101000000001100…
…1101000110011000000
3110112010211200021011211
41322000121220303000
54121243311120412
6140103153415504
712315245011300
oct1720031506300
9415124607154
10131003223232
11506159a4642
122148086a594
13c47999cb4b
1464aa815600
15361ae7eca7
hex1e80668cc0

131003223232 has 42 divisors (see below), whose sum is σ = 302401899132. Its totient is φ = 56144237184.

The previous prime is 131003223227. The next prime is 131003223251. The reversal of 131003223232 is 232322300131.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20883858 + ... + 20890129.

Almost surely, 2131003223232 is an apocalyptic number.

It is an amenable number.

131003223232 is an abundant number, since it is smaller than the sum of its proper divisors (171398675900).

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

131003223232 is an equidigital number, since it uses as much as digits as its factorization.

131003223232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41774013 (or 41773996 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 131003223232 its reverse (232322300131), we get a palindrome (363325523363).

The spelling of 131003223232 in words is "one hundred thirty-one billion, three million, two hundred twenty-three thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 64 98 112 196 224 392 448 784 1568 3136 41773987 83547974 167095948 292417909 334191896 584835818 668383792 1169671636 1336767584 2046925363 2339343272 2673535168 4093850726 4678686544 8187701452 9357373088 16375402904 18714746176 32750805808 65501611616 131003223232