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71310131201 = 2313907222941
BaseRepresentation
bin100001001101001101…
…0100100000000000001
320211001201121000000102
41002122122210000001
52132020343144301
652432011332145
75103063054101
oct1023232440001
9224051530012
1071310131201
112827378a031
12119a1751055
1369559bbb0a
143646a13201
151cc5652b6b
hex109a6a4001

71310131201 has 8 divisors (see below), whose sum is σ = 74416256064. Its totient is φ = 68204480080.

The previous prime is 71310131171. The next prime is 71310131209. The reversal of 71310131201 is 10213101317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71310131201 - 214 = 71310114817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71310131209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208391 + ... + 431331.

It is an arithmetic number, because the mean of its divisors is an integer number (9302032008).

Almost surely, 271310131201 is an apocalyptic number.

It is an amenable number.

71310131201 is a deficient number, since it is larger than the sum of its proper divisors (3106124863).

71310131201 is a wasteful number, since it uses less digits than its factorization.

71310131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236871.

The product of its (nonzero) digits is 126, while the sum is 20.

Adding to 71310131201 its reverse (10213101317), we get a palindrome (81523232518).

The spelling of 71310131201 in words is "seventy-one billion, three hundred ten million, one hundred thirty-one thousand, two hundred one".

Divisors: 1 23 13907 222941 319861 5127643 3100440487 71310131201