Base | Representation |
---|---|
bin | 11101100011100111000… |
… | …111010111110101001111 |
3 | 21012011121222210211201210 |
4 | 131203213013113311033 |
5 | 231234144110030411 |
6 | 4153024141305503 |
7 | 266512413265545 |
oct | 35434707276517 |
9 | 7164558724653 |
10 | 2031102033231 |
11 | 713427168787 |
12 | 289783b65293 |
13 | 1196bc03c72b |
14 | 7043d405d95 |
15 | 37c7873eca6 |
hex | 1d8e71d7d4f |
2031102033231 has 8 divisors (see below), whose sum is σ = 2708192430640. Its totient is φ = 1354039828992.
The previous prime is 2031102033229. The next prime is 2031102033241. The reversal of 2031102033231 is 1323302011302.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2031102033231 - 21 = 2031102033229 is a prime.
It is a super-2 number, since 2×20311020332312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2031102033198 and 2031102033207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2031102033211) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6879616 + ... + 7168773.
It is an arithmetic number, because the mean of its divisors is an integer number (338524053830).
Almost surely, 22031102033231 is an apocalyptic number.
2031102033231 is a deficient number, since it is larger than the sum of its proper divisors (677090397409).
2031102033231 is a wasteful number, since it uses less digits than its factorization.
2031102033231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14096585.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 2031102033231 its reverse (1323302011302), we get a palindrome (3354404044533).
The spelling of 2031102033231 in words is "two trillion, thirty-one billion, one hundred two million, thirty-three thousand, two hundred thirty-one".
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