Base | Representation |
---|---|
bin | 11100111001100010… |
… | …001010111111011101 |
3 | 2222002112110212022112 |
4 | 130321202022333131 |
5 | 1002022141432201 |
6 | 22131025123405 |
7 | 2145644622434 |
oct | 347142127735 |
9 | 88075425275 |
10 | 31030030301 |
11 | 12183709046 |
12 | 601ba89565 |
13 | 2c068b7c9a |
14 | 170517211b |
15 | c1928d0bb |
hex | 73988afdd |
31030030301 has 12 divisors (see below), whose sum is σ = 31350519252. Its totient is φ = 30711477888.
The previous prime is 31030030277. The next prime is 31030030307. The reversal of 31030030301 is 10303003013.
It can be written as a sum of positive squares in 6 ways, for example, as 1207801 + 31028822500 = 1099^2 + 176150^2 .
It is not a de Polignac number, because 31030030301 - 26 = 31030030237 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31030030307) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40990415 + ... + 40991171.
It is an arithmetic number, because the mean of its divisors is an integer number (2612543271).
Almost surely, 231030030301 is an apocalyptic number.
It is an amenable number.
31030030301 is a deficient number, since it is larger than the sum of its proper divisors (320488951).
31030030301 is an frugal number, since it uses more digits than its factorization.
31030030301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2000 (or 1243 counting only the distinct ones).
The product of its (nonzero) digits is 81, while the sum is 14.
Adding to 31030030301 its reverse (10303003013), we get a palindrome (41333033314).
The spelling of 31030030301 in words is "thirty-one billion, thirty million, thirty thousand, three hundred one".
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