Base | Representation |
---|---|
bin | 1110000110100001000011… |
… | …10000000000101111110011 |
3 | 11001210112211020212200100021 |
4 | 13003100201300000233303 |
5 | 13031032422402024334 |
6 | 145541523020304311 |
7 | 6350262260555332 |
oct | 703204160005763 |
9 | 131715736780307 |
10 | 31010230111219 |
11 | 997640150aa17 |
12 | 3589ba73a2097 |
13 | 143c337c93028 |
14 | 792c90335d19 |
15 | 38b9a97043b4 |
hex | 1c3421c00bf3 |
31010230111219 has 16 divisors (see below), whose sum is σ = 31181886489600. Its totient is φ = 30838875907680.
The previous prime is 31010230111171. The next prime is 31010230111243. The reversal of 31010230111219 is 91211103201013.
It is a cyclic number.
It is not a de Polignac number, because 31010230111219 - 211 = 31010230109171 is a prime.
It is a super-2 number, since 2×310102301112192 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 31010230111193 and 31010230111202.
It is not an unprimeable number, because it can be changed into a prime (31010230112219) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1826163709 + ... + 1826180689.
It is an arithmetic number, because the mean of its divisors is an integer number (1948867905600).
Almost surely, 231010230111219 is an apocalyptic number.
31010230111219 is a deficient number, since it is larger than the sum of its proper divisors (171656378381).
31010230111219 is a wasteful number, since it uses less digits than its factorization.
31010230111219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25290.
The product of its (nonzero) digits is 324, while the sum is 25.
The spelling of 31010230111219 in words is "thirty-one trillion, ten billion, two hundred thirty million, one hundred eleven thousand, two hundred nineteen".
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