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131304223240131 = 343768074413377
BaseRepresentation
bin11101110110101110100101…
…100101010110111111000011
3122012220120011002010120100010
4131312232211211112333003
5114202242022122141011
61143132154420200003
736441263025266454
oct3566564545267703
9565816132116303
10131304223240131
1138923898a1a217
121288777a839003
135835c20604486
14245d2305ad12b
15102a7ce13e1a6
hex776ba5956fc3

131304223240131 has 4 divisors (see below), whose sum is σ = 175072297653512. Its totient is φ = 87536148826752.

The previous prime is 131304223240121. The next prime is 131304223240163. The reversal of 131304223240131 is 131042322403131.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 131304223240131 - 215 = 131304223207363 is a prime.

It is a super-2 number, since 2×1313042232401312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131304223240121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21884037206686 + ... + 21884037206691.

It is an arithmetic number, because the mean of its divisors is an integer number (43768074413378).

Almost surely, 2131304223240131 is an apocalyptic number.

131304223240131 is a deficient number, since it is larger than the sum of its proper divisors (43768074413381).

131304223240131 is an equidigital number, since it uses as much as digits as its factorization.

131304223240131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43768074413380.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131304223240131 its reverse (131042322403131), we get a palindrome (262346545643262).

The spelling of 131304223240131 in words is "one hundred thirty-one trillion, three hundred four billion, two hundred twenty-three million, two hundred forty thousand, one hundred thirty-one".

Divisors: 1 3 43768074413377 131304223240131