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131035445234 = 265517722617
BaseRepresentation
bin111101000001001010…
…0100011011111110010
3110112020002022022110022
41322002110203133302
54121330033221414
6140110304203442
712316115623061
oct1720224433762
9415202268408
10131035445234
11506321024a1
122148b609582
13c483572315
1464b0c021d8
15361dbe718e
hex1e825237f2

131035445234 has 4 divisors (see below), whose sum is σ = 196553167854. Its totient is φ = 65517722616.

The previous prime is 131035445209. The next prime is 131035445237. The reversal of 131035445234 is 432544530131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 114227100625 + 16808344609 = 337975^2 + 129647^2 .

It is a super-3 number, since 3×1310354452343 (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131035445194 and 131035445203.

It is not an unprimeable number, because it can be changed into a prime (131035445237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32758861307 + ... + 32758861310.

Almost surely, 2131035445234 is an apocalyptic number.

131035445234 is a deficient number, since it is larger than the sum of its proper divisors (65517722620).

131035445234 is an equidigital number, since it uses as much as digits as its factorization.

131035445234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65517722619.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 131035445234 its reverse (432544530131), we get a palindrome (563579975365).

The spelling of 131035445234 in words is "one hundred thirty-one billion, thirty-five million, four hundred forty-five thousand, two hundred thirty-four".

Divisors: 1 2 65517722617 131035445234