Search a number
-
+
71093232131 is a prime number
BaseRepresentation
bin100001000110101111…
…1001010001000000011
320210111121110101102112
41002031133022020003
52131044331412011
652354302405535
75064520334225
oct1021537121003
9223447411375
1071093232131
11281723045a9
1211940b908ab
13691ca9897c
143625cb2415
151cb15ab58b
hex108d7ca203

71093232131 has 2 divisors, whose sum is σ = 71093232132. Its totient is φ = 71093232130.

The previous prime is 71093232109. The next prime is 71093232137. The reversal of 71093232131 is 13123239017.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71093232131 is a prime.

It is a super-2 number, since 2×710932321312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (71093232137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35546616065 + 35546616066.

It is an arithmetic number, because the mean of its divisors is an integer number (35546616066).

Almost surely, 271093232131 is an apocalyptic number.

71093232131 is a deficient number, since it is larger than the sum of its proper divisors (1).

71093232131 is an equidigital number, since it uses as much as digits as its factorization.

71093232131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The spelling of 71093232131 in words is "seventy-one billion, ninety-three million, two hundred thirty-two thousand, one hundred thirty-one".