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131343210024113 = 177726071177889
BaseRepresentation
bin11101110111010010111001…
…011000001000110010110001
3122020001021210010122101202102
4131313102321120020302301
5114203411343231232423
61143202123202230145
736444143120423633
oct3567227130106261
9566037703571672
10131343210024113
1138939384a4804a
121289323b355355
1358397c47a0219
14246108c38ca53
15102b811bd3c28
hex7774b9608cb1

131343210024113 has 4 divisors (see below), whose sum is σ = 139069281202020. Its totient is φ = 123617138846208.

The previous prime is 131343210024007. The next prime is 131343210024119. The reversal of 131343210024113 is 311420012343131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36491349211249 + 94851860812864 = 6040807^2 + 9739192^2 .

It is a cyclic number.

It is not a de Polignac number, because 131343210024113 - 214 = 131343210007729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131343210024119) 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, 3863035588928 + ... + 3863035588961.

It is an arithmetic number, because the mean of its divisors is an integer number (34767320300505).

Almost surely, 2131343210024113 is an apocalyptic number.

It is an amenable number.

131343210024113 is a deficient number, since it is larger than the sum of its proper divisors (7726071177907).

131343210024113 is an equidigital number, since it uses as much as digits as its factorization.

131343210024113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7726071177906.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 131343210024113 its reverse (311420012343131), we get a palindrome (442763222367244).

The spelling of 131343210024113 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred ten million, twenty-four thousand, one hundred thirteen".

Divisors: 1 17 7726071177889 131343210024113