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131512740241 is a prime number
BaseRepresentation
bin111101001111011000…
…1010010100110010001
3110120110100102102010011
41322132301102212101
54123314230141431
6140225514234521
712334002563521
oct1723661224621
9416410372104
10131512740241
1150857571283
12215a3425a41
13c52b4079bc
146518367681
15364aa77cb1
hex1e9ec52991

131512740241 has 2 divisors, whose sum is σ = 131512740242. Its totient is φ = 131512740240.

The previous prime is 131512740199. The next prime is 131512740259. The reversal of 131512740241 is 142047215131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74914427025 + 56598313216 = 273705^2 + 237904^2 .

It is a cyclic number.

It is not a de Polignac number, because 131512740241 - 219 = 131512215953 is a prime.

It is not a weakly prime, because it can be changed into another prime (131512740841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65756370120 + 65756370121.

It is an arithmetic number, because the mean of its divisors is an integer number (65756370121).

Almost surely, 2131512740241 is an apocalyptic number.

It is an amenable number.

131512740241 is a deficient number, since it is larger than the sum of its proper divisors (1).

131512740241 is an equidigital number, since it uses as much as digits as its factorization.

131512740241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 131512740241 its reverse (142047215131), we get a palindrome (273559955372).

The spelling of 131512740241 in words is "one hundred thirty-one billion, five hundred twelve million, seven hundred forty thousand, two hundred forty-one".