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131132210323 = 671957197169
BaseRepresentation
bin111101000100000010…
…1101011110010010011
3110112110211101111012111
41322020011223302103
54122024321212243
6140124042210151
712321402253042
oct1721005536223
9415424344174
10131132210323
1150681794544
12214b7ab3957
13c49a62257a
1464bd9d0559
15362745d39d
hex1e8816bc93

131132210323 has 4 divisors (see below), whose sum is σ = 133089407560. Its totient is φ = 129175013088.

The previous prime is 131132210317. The next prime is 131132210347. The reversal of 131132210323 is 323012231131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323012231131 = 459437030717.

It is a cyclic number.

It is not a de Polignac number, because 131132210323 - 217 = 131132079251 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131132210294 and 131132210303.

It is not an unprimeable number, because it can be changed into a prime (131132210023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 978598518 + ... + 978598651.

It is an arithmetic number, because the mean of its divisors is an integer number (33272351890).

Almost surely, 2131132210323 is an apocalyptic number.

131132210323 is a deficient number, since it is larger than the sum of its proper divisors (1957197237).

131132210323 is an equidigital number, since it uses as much as digits as its factorization.

131132210323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957197236.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 131132210323 its reverse (323012231131), we get a palindrome (454144441454).

The spelling of 131132210323 in words is "one hundred thirty-one billion, one hundred thirty-two million, two hundred ten thousand, three hundred twenty-three".

Divisors: 1 67 1957197169 131132210323