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131404012004113 = 349137640794043
BaseRepresentation
bin11101111000001011100001…
…011101010010001100010001
3122020021002201112022000020121
4131320023201131102030101
5114210410404033112423
61143250100355510241
736451424625632512
oct3570134135221421
9566232645260217
10131404012004113
11389621460985a2
12128a2b898b8381
135842464424594
142463db9564a09
15102d1bea5045d
hex7782e1752311

131404012004113 has 4 divisors (see below), whose sum is σ = 131441652801648. Its totient is φ = 131366371206580.

The previous prime is 131404012004071. The next prime is 131404012004159. The reversal of 131404012004113 is 311400210404131.

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 a de Polignac number, because none of the positive numbers 2k-131404012004113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131404019004113) 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, 18820393531 + ... + 18820400512.

It is an arithmetic number, because the mean of its divisors is an integer number (32860413200412).

Almost surely, 2131404012004113 is an apocalyptic number.

It is an amenable number.

131404012004113 is a deficient number, since it is larger than the sum of its proper divisors (37640797535).

131404012004113 is an equidigital number, since it uses as much as digits as its factorization.

131404012004113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37640797534.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 131404012004113 its reverse (311400210404131), we get a palindrome (442804222408244).

The spelling of 131404012004113 in words is "one hundred thirty-one trillion, four hundred four billion, twelve million, four thousand, one hundred thirteen".

Divisors: 1 3491 37640794043 131404012004113