Base | Representation |
---|---|
bin | 111101001100001011… |
… | …1000110011010110111 |
3 | 110120011212002101011111 |
4 | 1322120113012122313 |
5 | 4123104213230234 |
6 | 140211113415451 |
7 | 12331225603234 |
oct | 1723027063267 |
9 | 416155071144 |
10 | 131405211319 |
11 | 508018a81a8 |
12 | 2157340a587 |
13 | c512059315 |
14 | 6507d7678b |
15 | 36413d7664 |
hex | 1e985c66b7 |
131405211319 has 2 divisors, whose sum is σ = 131405211320. Its totient is φ = 131405211318.
The previous prime is 131405211187. The next prime is 131405211323. The reversal of 131405211319 is 913112504131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131405211319 - 219 = 131404687031 is a prime.
It is a super-2 number, since 2×1314052113192 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (131405211919) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65702605659 + 65702605660.
It is an arithmetic number, because the mean of its divisors is an integer number (65702605660).
Almost surely, 2131405211319 is an apocalyptic number.
131405211319 is a deficient number, since it is larger than the sum of its proper divisors (1).
131405211319 is an equidigital number, since it uses as much as digits as its factorization.
131405211319 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 3240, while the sum is 31.
The spelling of 131405211319 in words is "one hundred thirty-one billion, four hundred five million, two hundred eleven thousand, three hundred nineteen".
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