Base | Representation |
---|---|
bin | 11101010111010111… |
… | …000100001011100101 |
3 | 10000101102002001221001 |
4 | 131113113010023211 |
5 | 1004033242412201 |
6 | 22252422353301 |
7 | 2164232164231 |
oct | 352727041345 |
9 | 100342061831 |
10 | 31530435301 |
11 | 124101217a2 |
12 | 613b58b831 |
13 | 2c86482511 |
14 | 17517d15c1 |
15 | c48186301 |
hex | 7575c42e5 |
31530435301 has 2 divisors, whose sum is σ = 31530435302. Its totient is φ = 31530435300.
The previous prime is 31530435271. The next prime is 31530435337. The reversal of 31530435301 is 10353403513.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20959511076 + 10570924225 = 144774^2 + 102815^2 .
It is an emirp because it is prime and its reverse (10353403513) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-31530435301 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 31530435301.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31530435901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15765217650 + 15765217651.
It is an arithmetic number, because the mean of its divisors is an integer number (15765217651).
Almost surely, 231530435301 is an apocalyptic number.
It is an amenable number.
31530435301 is a deficient number, since it is larger than the sum of its proper divisors (1).
31530435301 is an equidigital number, since it uses as much as digits as its factorization.
31530435301 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 8100, while the sum is 28.
Adding to 31530435301 its reverse (10353403513), we get a palindrome (41883838814).
The spelling of 31530435301 in words is "thirty-one billion, five hundred thirty million, four hundred thirty-five thousand, three hundred one".
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