Base | Representation |
---|---|
bin | 11101110110101101100011… |
… | …001111100100010010111111 |
3 | 122012220110021111210212011021 |
4 | 131312231203033210102333 |
5 | 114202232232204344411 |
6 | 1143131452140405011 |
7 | 36441223322002531 |
oct | 3566554317442277 |
9 | 565813244725137 |
10 | 131303110231231 |
11 | 3892337772a154 |
12 | 12887509b46767 |
13 | 5835aa3b4a523 |
14 | 245d166845851 |
15 | 102a766588a71 |
hex | 776b633e44bf |
131303110231231 has 8 divisors (see below), whose sum is σ = 139327096521024. Its totient is φ = 123312487710720.
The previous prime is 131303110231147. The next prime is 131303110231301. The reversal of 131303110231231 is 132132011303131.
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 131303110231231 - 213 = 131303110223039 is a prime.
It is a super-2 number, since 2×1313031102312312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 131303110231196 and 131303110231205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131303110231831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8340934210 + ... + 8340949951.
It is an arithmetic number, because the mean of its divisors is an integer number (17415887065128).
Almost surely, 2131303110231231 is an apocalyptic number.
131303110231231 is a deficient number, since it is larger than the sum of its proper divisors (8023986289793).
131303110231231 is a wasteful number, since it uses less digits than its factorization.
131303110231231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16681884641.
The product of its (nonzero) digits is 972, while the sum is 25.
Adding to 131303110231231 its reverse (132132011303131), we get a palindrome (263435121534362).
The spelling of 131303110231231 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred ten million, two hundred thirty-one thousand, two hundred thirty-one".
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