Base | Representation |
---|---|
bin | 110100100001111101100110… |
… | …111000111100000100110111 |
3 | 1010022000110210001111222220022 |
4 | 310201331212320330010313 |
5 | 220240213133334140203 |
6 | 2135210440125555355 |
7 | 66443351031301562 |
oct | 6441754670740467 |
9 | 1108013701458808 |
10 | 231032312021303 |
11 | 67683287155131 |
12 | 21ab3739a15b5b |
13 | 9bbb33b0527a0 |
14 | 410a04893d4d9 |
15 | 1ba9a321a1a38 |
hex | d21f66e3c137 |
231032312021303 has 8 divisors (see below), whose sum is σ = 259621594780128. Its totient is φ = 203988395898144.
The previous prime is 231032312021297. The next prime is 231032312021351. The reversal of 231032312021303 is 303120213230132.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 231032312021303 - 212 = 231032312017207 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (231032312021803) 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, 386341658600 + ... + 386341659197.
It is an arithmetic number, because the mean of its divisors is an integer number (32452699347516).
Almost surely, 2231032312021303 is an apocalyptic number.
231032312021303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
231032312021303 is a deficient number, since it is larger than the sum of its proper divisors (28589282758825).
231032312021303 is a wasteful number, since it uses less digits than its factorization.
231032312021303 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 772683317833.
The product of its (nonzero) digits is 3888, while the sum is 26.
Adding to 231032312021303 its reverse (303120213230132), we get a palindrome (534152525251435).
The spelling of 231032312021303 in words is "two hundred thirty-one trillion, thirty-two billion, three hundred twelve million, twenty-one thousand, three hundred three".
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