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131104012232143 = 4712174787478811
BaseRepresentation
bin11101110011110100001000…
…000100111110010111001111
3122012012102101000210120022001
4131303310020010332113033
5114141002004112412033
61142500203551333131
736420644432640016
oct3563641004762717
9565172330716261
10131104012232143
1138856999037655
1212854a045211a7
135820094675702
14245367a481a7d
1510254b23d8e7d
hex773d0813e5cf

131104012232143 has 16 divisors (see below), whose sum is σ = 134031751709184. Its totient is φ = 128182079541760.

The previous prime is 131104012232051. The next prime is 131104012232159. The reversal of 131104012232143 is 341232210401131.

It is a cyclic number.

It is not a de Polignac number, because 131104012232143 - 241 = 128904988976591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131104012232243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273572208 + ... + 274051018.

It is an arithmetic number, because the mean of its divisors is an integer number (8376984481824).

Almost surely, 2131104012232143 is an apocalyptic number.

131104012232143 is a deficient number, since it is larger than the sum of its proper divisors (2927739477041).

131104012232143 is a wasteful number, since it uses less digits than its factorization.

131104012232143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484862.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 131104012232143 its reverse (341232210401131), we get a palindrome (472336222633274).

The spelling of 131104012232143 in words is "one hundred thirty-one trillion, one hundred four billion, twelve million, two hundred thirty-two thousand, one hundred forty-three".

Divisors: 1 47 1217 4787 57199 224989 478811 5825779 22504117 273811613 582712987 2292068257 27387510389 107727208079 2789447068769 131104012232143