Base | Representation |
---|---|
bin | 11101110010010110010101… |
… | …111000000111110010001111 |
3 | 122011211210110001120101011221 |
4 | 131302112111320013302033 |
5 | 114132324240333344211 |
6 | 1142342031332224211 |
7 | 36410451124123435 |
oct | 3562262570076217 |
9 | 564753401511157 |
10 | 131003312012431 |
11 | 38818213422081 |
12 | 128393a016b067 |
13 | 5813736a7a8a1 |
14 | 244c84642ad55 |
15 | 1022a6b986c71 |
hex | 772595e07c8f |
131003312012431 has 8 divisors (see below), whose sum is σ = 137899991955200. Its totient is φ = 124106808948120.
The previous prime is 131003312012401. The next prime is 131003312012437. The reversal of 131003312012431 is 134210213300131.
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 131003312012431 - 211 = 131003312010383 is a prime.
It is a super-2 number, since 2×1310033120124312 (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 = 131003312012396 and 131003312012405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131003312012437) 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, 42698001 + ... + 45663178.
It is an arithmetic number, because the mean of its divisors is an integer number (17237498994400).
Almost surely, 2131003312012431 is an apocalyptic number.
131003312012431 is a deficient number, since it is larger than the sum of its proper divisors (6896679942769).
131003312012431 is an equidigital number, since it uses as much as digits as its factorization.
131003312012431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 88439229.
The product of its (nonzero) digits is 1296, while the sum is 25.
Adding to 131003312012431 its reverse (134210213300131), we get a palindrome (265213525312562).
The spelling of 131003312012431 in words is "one hundred thirty-one trillion, three billion, three hundred twelve million, twelve thousand, four hundred thirty-one".
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