Base | Representation |
---|---|
bin | 11101000110001000… |
… | …100100110101011111 |
3 | 2222122021020210021001 |
4 | 131012020210311133 |
5 | 1002440301033343 |
6 | 22204020051131 |
7 | 2154122503312 |
oct | 350610446537 |
9 | 88567223231 |
10 | 31241424223 |
11 | 12281a73469 |
12 | 607a833aa7 |
13 | 2c3b631449 |
14 | 172527c979 |
15 | c2cae844d |
hex | 746224d5f |
31241424223 has 2 divisors, whose sum is σ = 31241424224. Its totient is φ = 31241424222.
The previous prime is 31241424217. The next prime is 31241424257. The reversal of 31241424223 is 32242414213.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 31241424223 - 217 = 31241293151 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 31241424191 and 31241424200.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31241424023) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15620712111 + 15620712112.
It is an arithmetic number, because the mean of its divisors is an integer number (15620712112).
Almost surely, 231241424223 is an apocalyptic number.
31241424223 is a deficient number, since it is larger than the sum of its proper divisors (1).
31241424223 is an equidigital number, since it uses as much as digits as its factorization.
31241424223 is an evil number, because the sum of its binary digits is even.
The product of its digits is 9216, while the sum is 28.
Adding to 31241424223 its reverse (32242414213), we get a palindrome (63483838436).
The spelling of 31241424223 in words is "thirty-one billion, two hundred forty-one million, four hundred twenty-four thousand, two hundred twenty-three".
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