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131110101121 is a prime number
BaseRepresentation
bin111101000011011000…
…1010110000010000001
3110112102021210020002011
41322012301112002001
54122003141213441
6140121532252521
712321013320526
oct1720661260201
9415367706064
10131110101121
115067026357a
12214b0611141
13c495b810bc
1464baab714d
153625542581
hex1e86c56081

131110101121 has 2 divisors, whose sum is σ = 131110101122. Its totient is φ = 131110101120.

The previous prime is 131110101061. The next prime is 131110101151. The reversal of 131110101121 is 121101011131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 130823273025 + 286828096 = 361695^2 + 16936^2 .

It is a cyclic number.

It is not a de Polignac number, because 131110101121 - 217 = 131109970049 is a prime.

It is not a weakly prime, because it can be changed into another prime (131110101151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65555050560 + 65555050561.

It is an arithmetic number, because the mean of its divisors is an integer number (65555050561).

Almost surely, 2131110101121 is an apocalyptic number.

It is an amenable number.

131110101121 is a deficient number, since it is larger than the sum of its proper divisors (1).

131110101121 is an equidigital number, since it uses as much as digits as its factorization.

131110101121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 131110101121 its reverse (121101011131), we get a palindrome (252211112252).

The spelling of 131110101121 in words is "one hundred thirty-one billion, one hundred ten million, one hundred one thousand, one hundred twenty-one".