Base | Representation |
---|---|
bin | 1110000111100000111100… |
… | …10100100100001110011111 |
3 | 11001220211100211112121010000 |
4 | 13003300132110210032133 |
5 | 13032113200233320411 |
6 | 150005354455545343 |
7 | 6352615310552340 |
oct | 703603624441637 |
9 | 131824324477100 |
10 | 31044532323231 |
11 | 9989a04192569 |
12 | 359477b08b253 |
13 | 14426437703bb |
14 | 7947c5cc20c7 |
15 | 38c815d9c956 |
hex | 1c3c1e52439f |
31044532323231 has 20 divisors (see below), whose sum is σ = 53000189222992. Its totient is φ = 17739732755808.
The previous prime is 31044532323221. The next prime is 31044532323253. The reversal of 31044532323231 is 13232323544013.
31044532323231 is a `hidden beast` number, since 3 + 1 + 0 + 4 + 4 + 5 + 323 + 2 + 323 + 1 = 666.
It is not a de Polignac number, because 31044532323231 - 25 = 31044532323199 is a prime.
It is a super-2 number, since 2×310445323232312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31044532323221) 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 19 ways as a sum of consecutive naturals, for example, 27376130230 + ... + 27376131363.
Almost surely, 231044532323231 is an apocalyptic number.
31044532323231 is a deficient number, since it is larger than the sum of its proper divisors (21955656899761).
31044532323231 is an equidigital number, since it uses as much as digits as its factorization.
31044532323231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54752261612 (or 54752261603 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 36.
Adding to 31044532323231 its reverse (13232323544013), we get a palindrome (44276855867244).
The spelling of 31044532323231 in words is "thirty-one trillion, forty-four billion, five hundred thirty-two million, three hundred twenty-three thousand, two hundred thirty-one".
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