Base | Representation |
---|---|
bin | 11101110010110000011011… |
… | …011110110000001111010111 |
3 | 122011221110202012202212221200 |
4 | 131302300123132300033113 |
5 | 114133304122232004421 |
6 | 1142402543043443543 |
7 | 36412462225215204 |
oct | 3562603336601727 |
9 | 564843665685850 |
10 | 131031323313111 |
11 | 38829088037951 |
12 | 128428b90865b3 |
13 | 581627c124210 |
14 | 244dd426bccab |
15 | 102365abd1726 |
hex | 772c1b7b03d7 |
131031323313111 has 48 divisors (see below), whose sum is σ = 206873650969440. Its totient is φ = 79429253080320.
The previous prime is 131031323313109. The next prime is 131031323313113. The reversal of 131031323313111 is 111313323130131.
131031323313111 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 3 + 13 + 2 + 331 + 311 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (131031323313109) and next prime (131031323313113).
It is not a de Polignac number, because 131031323313111 - 21 = 131031323313109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131031323313113) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 370364881 + ... + 370718501.
It is an arithmetic number, because the mean of its divisors is an integer number (4309867728530).
Almost surely, 2131031323313111 is an apocalyptic number.
131031323313111 is a deficient number, since it is larger than the sum of its proper divisors (75842327656329).
131031323313111 is a wasteful number, since it uses less digits than its factorization.
131031323313111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400976 (or 400973 counting only the distinct ones).
The product of its (nonzero) digits is 1458, while the sum is 27.
Adding to 131031323313111 its reverse (111313323130131), we get a palindrome (242344646443242).
The spelling of 131031323313111 in words is "one hundred thirty-one trillion, thirty-one billion, three hundred twenty-three million, three hundred thirteen thousand, one hundred eleven".
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