Base | Representation |
---|---|
bin | 11101000011110110… |
… | …000000001111010101 |
3 | 2222112120221200220212 |
4 | 131003312000033111 |
5 | 1002400432020201 |
6 | 22200124335205 |
7 | 2153145064163 |
oct | 350366001725 |
9 | 88476850825 |
10 | 31203001301 |
11 | 1226230a78a |
12 | 60699a4505 |
13 | 2c3369a6a4 |
14 | 172011a233 |
15 | c29558abb |
hex | 743d803d5 |
31203001301 has 2 divisors, whose sum is σ = 31203001302. Its totient is φ = 31203001300.
The previous prime is 31203001259. The next prime is 31203001337. The reversal of 31203001301 is 10310030213.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 31198156900 + 4844401 = 176630^2 + 2201^2 .
It is a cyclic number.
It is not a de Polignac number, because 31203001301 - 218 = 31202739157 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (31203001381) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15601500650 + 15601500651.
It is an arithmetic number, because the mean of its divisors is an integer number (15601500651).
Almost surely, 231203001301 is an apocalyptic number.
It is an amenable number.
31203001301 is a deficient number, since it is larger than the sum of its proper divisors (1).
31203001301 is an equidigital number, since it uses as much as digits as its factorization.
31203001301 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 31203001301 its reverse (10310030213), we get a palindrome (41513031514).
The spelling of 31203001301 in words is "thirty-one billion, two hundred three million, one thousand, three hundred one".
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