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131320130122 = 2371774596353
BaseRepresentation
bin111101001001101001…
…0100010101001001010
3110112221220222210201001
41322103102202221022
54122420423130442
6140154434045214
712326143455136
oct1722322425112
9415856883631
10131320130122
1150768876465
122154aa1980a
13c4ca53a20c
1464da94a3c6
153638bcd2b7
hex1e934a2a4a

131320130122 has 8 divisors (see below), whose sum is σ = 202303984356. Its totient is φ = 63885468672.

The previous prime is 131320130111. The next prime is 131320130147. The reversal of 131320130122 is 221031023131.

It can be written as a sum of positive squares in 2 ways, for example, as 128693670121 + 2626460001 = 358739^2 + 51249^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 131320130122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887298103 + ... + 887298250.

Almost surely, 2131320130122 is an apocalyptic number.

131320130122 is a deficient number, since it is larger than the sum of its proper divisors (70983854234).

131320130122 is a wasteful number, since it uses less digits than its factorization.

131320130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774596392.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 131320130122 its reverse (221031023131), we get a palindrome (352351153253).

The spelling of 131320130122 in words is "one hundred thirty-one billion, three hundred twenty million, one hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 37 74 1774596353 3549192706 65660065061 131320130122