Base | Representation |
---|---|
bin | 1110010010101111101101… |
… | …00000011011101110010011 |
3 | 11010021201101102002211222001 |
4 | 13021113312200123232103 |
5 | 13104423440304332011 |
6 | 150502533123454431 |
7 | 6422525615606230 |
oct | 711276640335623 |
9 | 133251342084861 |
10 | 31430411402131 |
11 | a018620935935 |
12 | 3637511227417 |
13 | 146cb4b712611 |
14 | 7a93508d2787 |
15 | 39789cc297c1 |
hex | 1c95f681bb93 |
31430411402131 has 8 divisors (see below), whose sum is σ = 36023987381760. Its totient is φ = 26862714724488.
The previous prime is 31430411402063. The next prime is 31430411402147. The reversal of 31430411402131 is 13120411403413.
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 31430411402131 - 27 = 31430411402003 is a prime.
It is a super-2 number, since 2×314304114021312 (a number of 28 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 31430411402131.
It is not an unprimeable number, because it can be changed into a prime (31430411400131) 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, 6469822891 + ... + 6469827748.
It is an arithmetic number, because the mean of its divisors is an integer number (4502998422720).
Almost surely, 231430411402131 is an apocalyptic number.
31430411402131 is a deficient number, since it is larger than the sum of its proper divisors (4593575979629).
31430411402131 is a wasteful number, since it uses less digits than its factorization.
31430411402131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12939650993.
The product of its (nonzero) digits is 3456, while the sum is 28.
Adding to 31430411402131 its reverse (13120411403413), we get a palindrome (44550822805544).
The spelling of 31430411402131 in words is "thirty-one trillion, four hundred thirty billion, four hundred eleven million, four hundred two thousand, one hundred thirty-one".
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