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131003232443 = 438053378317
BaseRepresentation
bin111101000000001100…
…1101011000010111011
3110112010211200201210222
41322000121223002323
54121243311414233
6140103153530255
712315245050166
oct1720031530273
9415124621728
10131003232443
1150615a00556
122148087398b
13c4799a40b5
1464aa818add
15361ae82898
hex1e8066b0bb

131003232443 has 8 divisors (see below), whose sum is σ = 134066819568. Its totient is φ = 127940418144.

The previous prime is 131003232439. The next prime is 131003232457. The reversal of 131003232443 is 344232300131.

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

It is a cyclic number.

It is not a de Polignac number, because 131003232443 - 22 = 131003232439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131003232463) 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, 157121 + ... + 535437.

It is an arithmetic number, because the mean of its divisors is an integer number (16758352446).

Almost surely, 2131003232443 is an apocalyptic number.

131003232443 is a deficient number, since it is larger than the sum of its proper divisors (3063587125).

131003232443 is an equidigital number, since it uses as much as digits as its factorization.

131003232443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386413.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 131003232443 its reverse (344232300131), we get a palindrome (475235532574).

The spelling of 131003232443 in words is "one hundred thirty-one billion, three million, two hundred thirty-two thousand, four hundred forty-three".

Divisors: 1 43 8053 346279 378317 16267631 3046586801 131003232443