Base | Representation |
---|---|
bin | 11101110010010011010010… |
… | …010001011010111010000011 |
3 | 122011211110222100110121210011 |
4 | 131302103102101122322003 |
5 | 114132301030224410034 |
6 | 1142340325542045351 |
7 | 36410303605120063 |
oct | 3562232221327203 |
9 | 564743870417704 |
10 | 131000030310019 |
11 | 38816889a45522 |
12 | 12838825119857 |
13 | 5813332c03b40 |
14 | 244c6146553a3 |
15 | 10229287ea864 |
hex | 7724d245ae83 |
131000030310019 has 32 divisors (see below), whose sum is σ = 143062818232320. Its totient is φ = 119227016320128.
The previous prime is 131000030310001. The next prime is 131000030310041. The reversal of 131000030310019 is 910013030000131.
It is a cyclic number.
It is not a de Polignac number, because 131000030310019 - 213 = 131000030301827 is a prime.
It is a super-2 number, since 2×1310000303100192 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131000030311019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1093676017 + ... + 1093795789.
It is an arithmetic number, because the mean of its divisors is an integer number (4470713069760).
Almost surely, 2131000030310019 is an apocalyptic number.
131000030310019 is a deficient number, since it is larger than the sum of its proper divisors (12062787922301).
131000030310019 is a wasteful number, since it uses less digits than its factorization.
131000030310019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121891.
The product of its (nonzero) digits is 243, while the sum is 22.
The spelling of 131000030310019 in words is "one hundred thirty-one trillion, thirty million, three hundred ten thousand, nineteen".
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