Base | Representation |
---|---|
bin | 11101110110111110010011… |
… | …101000110001001001100111 |
3 | 122012222011201101112001221011 |
4 | 131312332103220301021213 |
5 | 114203031104103404111 |
6 | 1143144025331003051 |
7 | 36442431220426060 |
oct | 3566762350611147 |
9 | 565864641461834 |
10 | 131321102013031 |
11 | 3892aa6a609107 |
12 | 1288aaab439487 |
13 | 58376b0461268 |
14 | 245dd92133567 |
15 | 102ae6ad6c021 |
hex | 776f93a31267 |
131321102013031 has 8 divisors (see below), whose sum is σ = 150147932610944. Its totient is φ = 112510939707000.
The previous prime is 131321102012981. The next prime is 131321102013037. The reversal of 131321102013031 is 130310201123131.
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 131321102013031 - 211 = 131321102010983 is a prime.
It is a super-2 number, since 2×1313211020130312 (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 = 131321102012993 and 131321102013011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131321102013037) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4167056085 + ... + 4167087598.
It is an arithmetic number, because the mean of its divisors is an integer number (18768491576368).
Almost surely, 2131321102013031 is an apocalyptic number.
131321102013031 is a deficient number, since it is larger than the sum of its proper divisors (18826830597913).
131321102013031 is an equidigital number, since it uses as much as digits as its factorization.
131321102013031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8334145941.
The product of its (nonzero) digits is 324, while the sum is 22.
Adding to 131321102013031 its reverse (130310201123131), we get a palindrome (261631303136162).
The spelling of 131321102013031 in words is "one hundred thirty-one trillion, three hundred twenty-one billion, one hundred two million, thirteen thousand, thirty-one".
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