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131300111989 is a prime number
BaseRepresentation
bin111101001001000011…
…0001011011001110101
3110112220112022202222201
41322102012023121311
54122400312040424
6140152441024501
712325511352214
oct1722206133165
9415815282881
10131300111989
1150758543552
1221544185131
13c4c634b777
1464d801907b
153637076d44
hex1e9218b675

131300111989 has 2 divisors, whose sum is σ = 131300111990. Its totient is φ = 131300111988.

The previous prime is 131300111981. The next prime is 131300112067. The reversal of 131300111989 is 989111003131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74580879025 + 56719232964 = 273095^2 + 238158^2 .

It is a cyclic number.

It is not a de Polignac number, because 131300111989 - 23 = 131300111981 is a prime.

It is a super-2 number, since 2×1313001119892 (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 (131300111981) 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, 65650055994 + 65650055995.

It is an arithmetic number, because the mean of its divisors is an integer number (65650055995).

Almost surely, 2131300111989 is an apocalyptic number.

It is an amenable number.

131300111989 is a deficient number, since it is larger than the sum of its proper divisors (1).

131300111989 is an equidigital number, since it uses as much as digits as its factorization.

131300111989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 131300111989 in words is "one hundred thirty-one billion, three hundred million, one hundred eleven thousand, nine hundred eighty-nine".