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131442213333979 is a prime number
BaseRepresentation
bin11101111000101111000110…
…011011110010101111011011
3122020101202022211211122011201
4131320233012123302233123
5114212022123103141404
61143315415202535031
736454246402605202
oct3570570633625733
9566352284748151
10131442213333979
1138977369810099
12128aa46b367477
135845c41961192
142465ba0cc4239
15102e1a8692ca4
hex778bc66f2bdb

131442213333979 has 2 divisors, whose sum is σ = 131442213333980. Its totient is φ = 131442213333978.

The previous prime is 131442213333943. The next prime is 131442213333997. The reversal of 131442213333979 is 979333312244131.

Together with next prime (131442213333997) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 131442213333979 - 245 = 96257841245147 is a prime.

It is a super-2 number, since 2×1314422133339792 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (131442213333479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65721106666989 + 65721106666990.

It is an arithmetic number, because the mean of its divisors is an integer number (65721106666990).

Almost surely, 2131442213333979 is an apocalyptic number.

131442213333979 is a deficient number, since it is larger than the sum of its proper divisors (1).

131442213333979 is an equidigital number, since it uses as much as digits as its factorization.

131442213333979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 55.

The spelling of 131442213333979 in words is "one hundred thirty-one trillion, four hundred forty-two billion, two hundred thirteen million, three hundred thirty-three thousand, nine hundred seventy-nine".