Base | Representation |
---|---|
bin | 11101110010110000011010… |
… | …111011101100110011110111 |
3 | 122011221110201120111000220002 |
4 | 131302300122323230303313 |
5 | 114133304112403432043 |
6 | 1142402542114501515 |
7 | 36412462054133645 |
oct | 3562603273546367 |
9 | 564843646430802 |
10 | 131031314124023 |
11 | 38829082930a65 |
12 | 128428b5b9489b |
13 | 581627a2577a1 |
14 | 244dd413aa195 |
15 | 1023659eb8bb8 |
hex | 772c1aeeccf7 |
131031314124023 has 4 divisors (see below), whose sum is σ = 131031495417408. Its totient is φ = 131031132830640.
The previous prime is 131031314124013. The next prime is 131031314124037. The reversal of 131031314124023 is 320421413130131.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 131031314124023 - 26 = 131031314123959 is a prime.
It is a super-4 number, since 4×1310313141240234 (a number of 58 digits) contains 4444 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131031314124013) 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 3 ways as a sum of consecutive naturals, for example, 89558198 + ... + 91009523.
It is an arithmetic number, because the mean of its divisors is an integer number (32757873854352).
Almost surely, 2131031314124023 is an apocalyptic number.
131031314124023 is a deficient number, since it is larger than the sum of its proper divisors (181293385).
131031314124023 is an equidigital number, since it uses as much as digits as its factorization.
131031314124023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 181293384.
The product of its (nonzero) digits is 5184, while the sum is 29.
Adding to 131031314124023 its reverse (320421413130131), we get a palindrome (451452727254154).
The spelling of 131031314124023 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred fourteen million, one hundred twenty-four thousand, twenty-three".
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