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131131022093 is a prime number
BaseRepresentation
bin111101000100000000…
…1001001101100001101
3110112110202011010020222
41322020001021230031
54122024020201333
6140124000521125
712321356203601
oct1721001115415
9415422133228
10131131022093
1150681052835
12214b76201a5
13c49a2c7786
1464bd7a1501
1536272c6298
hex1e88049b0d

131131022093 has 2 divisors, whose sum is σ = 131131022094. Its totient is φ = 131131022092.

The previous prime is 131131022059. The next prime is 131131022161. The reversal of 131131022093 is 390220131131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113975785609 + 17155236484 = 337603^2 + 130978^2 .

It is an emirp because it is prime and its reverse (390220131131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131131022093 - 216 = 131130956557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131131022023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65565511046 + 65565511047.

It is an arithmetic number, because the mean of its divisors is an integer number (65565511047).

Almost surely, 2131131022093 is an apocalyptic number.

It is an amenable number.

131131022093 is a deficient number, since it is larger than the sum of its proper divisors (1).

131131022093 is an equidigital number, since it uses as much as digits as its factorization.

131131022093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 131131022093 in words is "one hundred thirty-one billion, one hundred thirty-one million, twenty-two thousand, ninety-three".