Base | Representation |
---|---|
bin | 111101000000101101… |
… | …0110110111000101101 |
3 | 110112012000211212221121 |
4 | 1322001122312320231 |
5 | 4121312200222201 |
6 | 140105004100541 |
7 | 12315543230053 |
oct | 1720132667055 |
9 | 415160755847 |
10 | 131020320301 |
11 | 50624611952 |
12 | 21486534751 |
13 | c4803a7b60 |
14 | 64acbc61d3 |
15 | 361c70a9a1 |
hex | 1e816b6e2d |
131020320301 has 8 divisors (see below), whose sum is σ = 141140834744. Its totient is φ = 120905809920.
The previous prime is 131020320257. The next prime is 131020320307. The reversal of 131020320301 is 103023020131.
It can be written as a sum of positive squares in 4 ways, for example, as 49965660900 + 81054659401 = 223530^2 + 284701^2 .
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 131020320301 - 235 = 96660581933 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131020320307) 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, 1455636 + ... + 1543021.
It is an arithmetic number, because the mean of its divisors is an integer number (17642604343).
Almost surely, 2131020320301 is an apocalyptic number.
It is an amenable number.
131020320301 is a deficient number, since it is larger than the sum of its proper divisors (10120514443).
131020320301 is a wasteful number, since it uses less digits than its factorization.
131020320301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3002031.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 131020320301 its reverse (103023020131), we get a palindrome (234043340432).
The spelling of 131020320301 in words is "one hundred thirty-one billion, twenty million, three hundred twenty thousand, three hundred one".
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