Base | Representation |
---|---|
bin | 111101000001011101… |
… | …1110100010101100111 |
3 | 110112020210200020020121 |
4 | 1322002323310111213 |
5 | 4121340202102311 |
6 | 140111312542411 |
7 | 12316302251461 |
oct | 1720273642547 |
9 | 415223606217 |
10 | 131045737831 |
11 | 506379a2478 |
12 | 21492b51a07 |
13 | c485737108 |
14 | 64b2321131 |
15 | 361ea7bb71 |
hex | 1e82ef4567 |
131045737831 has 2 divisors, whose sum is σ = 131045737832. Its totient is φ = 131045737830.
The previous prime is 131045737811. The next prime is 131045737847. The reversal of 131045737831 is 138737540131.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 131045737831 - 225 = 131012183399 is a prime.
It is a super-2 number, since 2×1310457378312 (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 (131045737811) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65522868915 + 65522868916.
It is an arithmetic number, because the mean of its divisors is an integer number (65522868916).
Almost surely, 2131045737831 is an apocalyptic number.
131045737831 is a deficient number, since it is larger than the sum of its proper divisors (1).
131045737831 is an equidigital number, since it uses as much as digits as its factorization.
131045737831 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 211680, while the sum is 43.
The spelling of 131045737831 in words is "one hundred thirty-one billion, forty-five million, seven hundred thirty-seven thousand, eight hundred thirty-one".
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