Base | Representation |
---|---|
bin | 111101001001000101… |
… | …0110001001011101111 |
3 | 110112220121120220122012 |
4 | 1322102022301023233 |
5 | 4122401114042221 |
6 | 140152522511435 |
7 | 12325524523355 |
oct | 1722212611357 |
9 | 415817526565 |
10 | 131301315311 |
11 | 50759195631 |
12 | 2154466557b |
13 | c4c66803aa |
14 | 64d824d7d5 |
15 | 363721365b |
hex | 1e922b12ef |
131301315311 has 4 divisors (see below), whose sum is σ = 139024922112. Its totient is φ = 123577708512.
The previous prime is 131301315293. The next prime is 131301315407. The reversal of 131301315311 is 113513103131.
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 131301315311 - 226 = 131234206447 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131301345311) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3861803375 + ... + 3861803408.
It is an arithmetic number, because the mean of its divisors is an integer number (34756230528).
Almost surely, 2131301315311 is an apocalyptic number.
131301315311 is a deficient number, since it is larger than the sum of its proper divisors (7723606801).
131301315311 is an equidigital number, since it uses as much as digits as its factorization.
131301315311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7723606800.
The product of its (nonzero) digits is 405, while the sum is 23.
Adding to 131301315311 its reverse (113513103131), we get a palindrome (244814418442).
The spelling of 131301315311 in words is "one hundred thirty-one billion, three hundred one million, three hundred fifteen thousand, three hundred eleven".
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