Base | Representation |
---|---|
bin | 111101000110001010… |
… | …0111010111000111011 |
3 | 110112122210011220000210 |
4 | 1322030110322320323 |
5 | 4122201022010321 |
6 | 140135102202203 |
7 | 12323224522065 |
oct | 1721424727073 |
9 | 415583156023 |
10 | 131203313211 |
11 | 50708939163 |
12 | 21517883363 |
13 | c4ac289099 |
14 | 64c921c735 |
15 | 362d805b76 |
hex | 1e8c53ae3b |
131203313211 has 16 divisors (see below), whose sum is σ = 175322766080. Its totient is φ = 87276540960.
The previous prime is 131203313173. The next prime is 131203313239. The reversal of 131203313211 is 112313302131.
It is a happy number.
It is not a de Polignac number, because 131203313211 - 27 = 131203313083 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131203312211) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3184380 + ... + 3225318.
It is an arithmetic number, because the mean of its divisors is an integer number (10957672880).
Almost surely, 2131203313211 is an apocalyptic number.
131203313211 is a deficient number, since it is larger than the sum of its proper divisors (44119452869).
131203313211 is a wasteful number, since it uses less digits than its factorization.
131203313211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43266.
The product of its (nonzero) digits is 324, while the sum is 21.
Adding to 131203313211 its reverse (112313302131), we get a palindrome (243516615342).
The spelling of 131203313211 in words is "one hundred thirty-one billion, two hundred three million, three hundred thirteen thousand, two hundred eleven".
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