Base | Representation |
---|---|
bin | 111101001001101011… |
… | …1000001000000111101 |
3 | 110112222000012101201201 |
4 | 1322103113001000331 |
5 | 4122421223144401 |
6 | 140154515135501 |
7 | 12326156441662 |
oct | 1722327010075 |
9 | 415860171651 |
10 | 131321303101 |
11 | 507694a776a |
12 | 2154b2a4591 |
13 | c4ca85b0a1 |
14 | 64dab73a69 |
15 | 3638d60b01 |
hex | 1e935c103d |
131321303101 has 4 divisors (see below), whose sum is σ = 131425610400. Its totient is φ = 131216995804.
The previous prime is 131321303063. The next prime is 131321303131. The reversal of 131321303101 is 101303123131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 131321303101 - 227 = 131187085373 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 (131321303131) 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, 52151761 + ... + 52154278.
It is an arithmetic number, because the mean of its divisors is an integer number (32856402600).
Almost surely, 2131321303101 is an apocalyptic number.
It is an amenable number.
131321303101 is a deficient number, since it is larger than the sum of its proper divisors (104307299).
131321303101 is a wasteful number, since it uses less digits than its factorization.
131321303101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104307298.
The product of its (nonzero) digits is 162, while the sum is 19.
Adding to 131321303101 its reverse (101303123131), we get a palindrome (232624426232).
The spelling of 131321303101 in words is "one hundred thirty-one billion, three hundred twenty-one million, three hundred three thousand, one hundred one".
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