Base | Representation |
---|---|
bin | 1110001010010111011110… |
… | …00101010110011010001011 |
3 | 11002021012022001021020200122 |
4 | 13011023233011112122023 |
5 | 13040214342124200011 |
6 | 150122402242453455 |
7 | 6362654530533101 |
oct | 705135705263213 |
9 | 132235261236618 |
10 | 31142524053131 |
11 | 9a17519a42607 |
12 | 35ab76836428b |
13 | 144b95c19b42a |
14 | 799440333c71 |
15 | 39014db3e3db |
hex | 1c52ef15668b |
31142524053131 has 8 divisors (see below), whose sum is σ = 32147196273024. Its totient is φ = 30137856500160.
The previous prime is 31142524053107. The next prime is 31142524053143. The reversal of 31142524053131 is 13135042524113.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-31142524053131 is a prime.
It is a super-2 number, since 2×311425240531312 (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 = 31142524053091 and 31142524053100.
It is not an unprimeable number, because it can be changed into a prime (31142524053181) 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, 16773575 + ... + 18537471.
It is an arithmetic number, because the mean of its divisors is an integer number (4018399534128).
Almost surely, 231142524053131 is an apocalyptic number.
31142524053131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
31142524053131 is a deficient number, since it is larger than the sum of its proper divisors (1004672219893).
31142524053131 is a wasteful number, since it uses less digits than its factorization.
31142524053131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2333461.
The product of its (nonzero) digits is 43200, while the sum is 35.
Adding to 31142524053131 its reverse (13135042524113), we get a palindrome (44277566577244).
The spelling of 31142524053131 in words is "thirty-one trillion, one hundred forty-two billion, five hundred twenty-four million, fifty-three thousand, one hundred thirty-one".
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