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131110101173 is a prime number
BaseRepresentation
bin111101000011011000…
…1010110000010110101
3110112102021210020011002
41322012301112002311
54122003141214143
6140121532253045
712321013320632
oct1720661260265
9415367706132
10131110101173
1150670263617
12214b0611185
13c495b8112c
1464baab7189
1536255425b8
hex1e86c560b5

131110101173 has 2 divisors, whose sum is σ = 131110101174. Its totient is φ = 131110101172.

The previous prime is 131110101151. The next prime is 131110101191. The reversal of 131110101173 is 371101011131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115670050609 + 15440050564 = 340103^2 + 124258^2 .

It is a cyclic number.

It is not a de Polignac number, because 131110101173 - 212 = 131110097077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131110101373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65555050586 + 65555050587.

It is an arithmetic number, because the mean of its divisors is an integer number (65555050587).

Almost surely, 2131110101173 is an apocalyptic number.

It is an amenable number.

131110101173 is a deficient number, since it is larger than the sum of its proper divisors (1).

131110101173 is an equidigital number, since it uses as much as digits as its factorization.

131110101173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 20.

The spelling of 131110101173 in words is "one hundred thirty-one billion, one hundred ten million, one hundred one thousand, one hundred seventy-three".