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131404355240441 = 1123117011892467
BaseRepresentation
bin11101111000001011110101…
…111010101000000111111001
3122020021010121110011012222012
4131320023311322220013321
5114210412104420143231
61143250154420335305
736451436264246513
oct3570136572500771
9566233543135865
10131404355240441
1138962301913088
12128a3064844535
1358424ba57ccba
14246400cd90bb3
15102d1dec4ee2b
hex7782f5ea81f9

131404355240441 has 4 divisors (see below), whose sum is σ = 131521367134032. Its totient is φ = 131287343346852.

The previous prime is 131404355240383. The next prime is 131404355240453. The reversal of 131404355240441 is 144042553404131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131404355240441 - 26 = 131404355240377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131404355840441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58505945111 + ... + 58505947356.

It is an arithmetic number, because the mean of its divisors is an integer number (32880341783508).

Almost surely, 2131404355240441 is an apocalyptic number.

It is an amenable number.

131404355240441 is a deficient number, since it is larger than the sum of its proper divisors (117011893591).

131404355240441 is a wasteful number, since it uses less digits than its factorization.

131404355240441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117011893590.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 131404355240441 in words is "one hundred thirty-one trillion, four hundred four billion, three hundred fifty-five million, two hundred forty thousand, four hundred forty-one".

Divisors: 1 1123 117011892467 131404355240441