| Base | Representation |
|---|---|
| bin | 1011101101010001011… |
| … | …1000100011110000110 |
| 3 | 201020011012001100020000 |
| 4 | 2323110113010132012 |
| 5 | 11243404104004110 |
| 6 | 232222022022130 |
| 7 | 20350135644504 |
| oct | 2732427043606 |
| 9 | 636135040200 |
| 10 | 201131313030 |
| 11 | 7833242344a |
| 12 | 32b92577946 |
| 13 | 15c7481467b |
| 14 | 9a40451674 |
| 15 | 53729431c0 |
| hex | 2ed45c4786 |
201131313030 has 80 divisors (see below), whose sum is σ = 541351674864. Its totient is φ = 53582264640.
The previous prime is 201131313017. The next prime is 201131313043. The reversal of 201131313030 is 30313131102.
It is a happy number.
201131313030 is a `hidden beast` number, since 201 + 131 + 31 + 303 + 0 = 666.
201131313030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (201131313017) and next prime (201131313043).
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 201131312994 and 201131313012.
It is a congruent number.
It is an unprimeable number.
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 in 39 ways as a sum of consecutive naturals, for example, 705409 + ... + 948611.
Almost surely, 2201131313030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 201131313030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270675837432).
201131313030 is an abundant number, since it is smaller than the sum of its proper divisors (340220361834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
201131313030 is a wasteful number, since it uses less digits than its factorization.
201131313030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 244243 (or 244234 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 201131313030 its reverse (30313131102), we get a palindrome (231444444132).
The spelling of 201131313030 in words is "two hundred one billion, one hundred thirty-one million, three hundred thirteen thousand, thirty".
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