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131110101061 is a prime number
BaseRepresentation
bin111101000011011000…
…1010110000001000101
3110112102021210012222221
41322012301112001011
54122003141213221
6140121532252341
712321013320412
oct1720661260105
9415367705887
10131110101061
1150670263525
12214b06110b1
13c495b81074
1464baab7109
153625542541
hex1e86c56045

131110101061 has 2 divisors, whose sum is σ = 131110101062. Its totient is φ = 131110101060.

The previous prime is 131110101037. The next prime is 131110101121. The reversal of 131110101061 is 160101011131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111535292961 + 19574808100 = 333969^2 + 139910^2 .

It is a cyclic number.

It is not a de Polignac number, because 131110101061 - 29 = 131110100549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131110107061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65555050530 + 65555050531.

It is an arithmetic number, because the mean of its divisors is an integer number (65555050531).

Almost surely, 2131110101061 is an apocalyptic number.

It is an amenable number.

131110101061 is a deficient number, since it is larger than the sum of its proper divisors (1).

131110101061 is an equidigital number, since it uses as much as digits as its factorization.

131110101061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 131110101061 its reverse (160101011131), we get a palindrome (291211112192).

The spelling of 131110101061 in words is "one hundred thirty-one billion, one hundred ten million, one hundred one thousand, sixty-one".