Base | Representation |
---|---|
bin | 1101011110000110111… |
… | …0011011101101111001 |
3 | 211010100002010221021000 |
4 | 3113201232123231321 |
5 | 12242422044444231 |
6 | 254151340235213 |
7 | 22501545125313 |
oct | 3274156335571 |
9 | 733302127230 |
10 | 231420312441 |
11 | 8a165807a6a |
12 | 38a2623bb09 |
13 | 18a90a25426 |
14 | b2b50087b3 |
15 | 6046b066e6 |
hex | 35e1b9bb79 |
231420312441 has 8 divisors (see below), whose sum is σ = 342844907360. Its totient is φ = 154280208276.
The previous prime is 231420312437. The next prime is 231420312451. The reversal of 231420312441 is 144213024132.
231420312441 is a `hidden beast` number, since 2 + 3 + 1 + 4 + 203 + 12 + 441 = 666.
It is not a de Polignac number, because 231420312441 - 22 = 231420312437 is a prime.
It is a super-2 number, since 2×2314203124412 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8571122683 = 231420312441 / (2 + 3 + 1 + 4 + 2 + 0 + 3 + 1 + 2 + 4 + 4 + 1).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (231420312421) 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, 4285561315 + ... + 4285561368.
It is an arithmetic number, because the mean of its divisors is an integer number (42855613420).
Almost surely, 2231420312441 is an apocalyptic number.
It is an amenable number.
231420312441 is a deficient number, since it is larger than the sum of its proper divisors (111424594919).
231420312441 is an equidigital number, since it uses as much as digits as its factorization.
231420312441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8571122692 (or 8571122686 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 27.
Adding to 231420312441 its reverse (144213024132), we get a palindrome (375633336573).
The spelling of 231420312441 in words is "two hundred thirty-one billion, four hundred twenty million, three hundred twelve thousand, four hundred forty-one".
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