Base | Representation |
---|---|
bin | 1110001100101011111001… |
… | …10000010000100101000111 |
3 | 11002112210222112000000121211 |
4 | 13012111330300100211013 |
5 | 13043021041314101411 |
6 | 150223141351352251 |
7 | 6401505322465156 |
oct | 706257460204507 |
9 | 132483875000554 |
10 | 31222210300231 |
11 | 9a482a0831475 |
12 | 36030a7082687 |
13 | 145631b2cb632 |
14 | 79d23d55959d |
15 | 3922647d4221 |
hex | 1c657cc10947 |
31222210300231 has 8 divisors (see below), whose sum is σ = 32371358022144. Its totient is φ = 30081936306360.
The previous prime is 31222210300207. The next prime is 31222210300241. The reversal of 31222210300231 is 13200301222213.
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 31222210300231 - 27 = 31222210300103 is a prime.
It is a super-2 number, since 2×312222103002312 (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 (31222210300241) 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, 2218424845 + ... + 2218438918.
It is an arithmetic number, because the mean of its divisors is an integer number (4046419752768).
Almost surely, 231222210300231 is an apocalyptic number.
31222210300231 is a gapful number since it is divisible by the number (31) formed by its first and last digit.
31222210300231 is a deficient number, since it is larger than the sum of its proper divisors (1149147721913).
31222210300231 is a wasteful number, since it uses less digits than its factorization.
31222210300231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4436864021.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 31222210300231 its reverse (13200301222213), we get a palindrome (44422511522444).
The spelling of 31222210300231 in words is "thirty-one trillion, two hundred twenty-two billion, two hundred ten million, three hundred thousand, two hundred thirty-one".
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