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131260302469 is a prime number
BaseRepresentation
bin111101000111110111…
…0010100010010000101
3110112210202102020121001
41322033232110102011
54122310114134334
6140144455453301
712324516106402
oct1721756242205
9415722366531
10131260302469
115073802301a
1221532987231
13c4bb02083a
1464d2a152a9
153633811714
hex1e8fb94485

131260302469 has 2 divisors, whose sum is σ = 131260302470. Its totient is φ = 131260302468.

The previous prime is 131260302391. The next prime is 131260302521. The reversal of 131260302469 is 964203062131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70577892225 + 60682410244 = 265665^2 + 246338^2 .

It is an emirp because it is prime and its reverse (964203062131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131260302469 - 217 = 131260171397 is a prime.

It is a super-2 number, since 2×1312603024692 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131260302169) 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, 65630151234 + 65630151235.

It is an arithmetic number, because the mean of its divisors is an integer number (65630151235).

Almost surely, 2131260302469 is an apocalyptic number.

It is an amenable number.

131260302469 is a deficient number, since it is larger than the sum of its proper divisors (1).

131260302469 is an equidigital number, since it uses as much as digits as its factorization.

131260302469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 131260302469 in words is "one hundred thirty-one billion, two hundred sixty million, three hundred two thousand, four hundred sixty-nine".