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131156132201 is a prime number
BaseRepresentation
bin111101000100110000…
…0111100000101101001
3110112112111101211211222
41322021200330011221
54122101432212301
6140130255031425
712322112505113
oct1721140740551
9415474354758
10131156132201
1150694243396
1221503b0b575
13c4a2579b23
1464c2c5a3b3
1536295d631b
hex1e8983c169

131156132201 has 2 divisors, whose sum is σ = 131156132202. Its totient is φ = 131156132200.

The previous prime is 131156132171. The next prime is 131156132209. The reversal of 131156132201 is 102231651131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114944731225 + 16211400976 = 339035^2 + 127324^2 .

It is a cyclic number.

It is not a de Polignac number, because 131156132201 - 226 = 131089023337 is a prime.

It is not a weakly prime, because it can be changed into another prime (131156132209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65578066100 + 65578066101.

It is an arithmetic number, because the mean of its divisors is an integer number (65578066101).

Almost surely, 2131156132201 is an apocalyptic number.

It is an amenable number.

131156132201 is a deficient number, since it is larger than the sum of its proper divisors (1).

131156132201 is an equidigital number, since it uses as much as digits as its factorization.

131156132201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

Adding to 131156132201 its reverse (102231651131), we get a palindrome (233387783332).

The spelling of 131156132201 in words is "one hundred thirty-one billion, one hundred fifty-six million, one hundred thirty-two thousand, two hundred one".